Sweet Potato Vegetarian Veggie Burgers

Bianca

Founder of Red Recipe

Best seller

knife

You’re Missing Out! This Chef Knife Is a Game-Changer

  • Stays Sharp: Ice-hardened for long-lasting sharpness.
  • Better Control: Unique finger hole for a steady grip.
  • Built to Last: Premium stainless steel and beech wood.
  • Perfect Balance: Comfortable weight for easy use.
  • Big Savings: 70% off, high quality at a steal.
  • Customer Approved: Loved for quality and ease.
Grab Yours Today at 70% Off!

This post may contain affiliate links learn more.

It’s not an exaggeration to say these Sweet Potato Vegetarian Veggie Burgers have become a legend in our household. For years, I was on a quest for the perfect homemade veggie burger – one that wasn’t mushy, didn’t crumble into a sad pile upon first bite, and actually tasted, well, incredible. So many store-bought versions were disappointing, and my early attempts often resulted in patties that were either too dry or too wet. Then came this recipe. The first time I made them, my notoriously picky kids, who usually turn their noses up at anything overtly “veggie,” devoured them. My husband, a self-proclaimed carnivore, even asked for seconds! The secret, I believe, lies in the beautiful balance of roasted sweet potato for sweetness and binding, hearty beans for texture and protein, and a carefully selected blend of spices that creates a savory, slightly smoky, and utterly satisfying flavor. They are now a weekly staple, perfect for a quick weeknight dinner or a more elaborate weekend barbecue with friends. They’re a vibrant, wholesome, and genuinely crowd-pleasing option that proves vegetarian food can be exciting and deeply comforting.

Ingredients

Here’s what you’ll need to create these flavor-packed veggie burgers:

  • 2 medium sweet potatoes (about 1.5 lbs total): Roasted until tender, these provide the sweet, earthy base and act as a primary binder.
  • 1 tablespoon olive oil: Plus extra for cooking; for roasting the sweet potatoes and sautéing aromatics.
  • 1 medium yellow onion (about 1 cup chopped): Finely chopped, adds a foundational savory flavor.
  • 2 cloves garlic: Minced; for aromatic depth.
  • 1 can (15 ounces) black beans or chickpeas: Rinsed and drained thoroughly, then roughly mashed. These add texture, protein, and substance.
  • ¾ cup rolled oats (not instant): Acts as a binder and adds a pleasant, slightly chewy texture. Use certified gluten-free if needed.
  • ½ cup breadcrumbs (panko or regular): Helps bind the patties and creates a nice exterior. Use gluten-free if necessary.
  • ¼ cup chopped fresh cilantro or parsley: Adds freshness and a pop of color.
  • 1 tablespoon nutritional yeast (optional): For a cheesy, umami flavor boost.
  • 1 tablespoon soy sauce or tamari (for gluten-free): Adds depth and savory umami notes.
  • 1 teaspoon ground cumin: Provides a warm, earthy spice.
  • 1 teaspoon smoked paprika: Lends a delightful smoky flavor, reminiscent of traditional burgers.
  • ½ teaspoon chili powder (mild or medium): Adds a gentle kick of heat and complexity.
  • ½ teaspoon salt (or to taste): Enhances all the other flavors.
  • ¼ teaspoon black pepper (or to taste): For a bit of spice.
  • Optional: 1-2 tablespoons ground flaxseed mixed with 3-4 tablespoons water (flax egg): If you find your mixture too loose, this can help bind it further, especially useful for vegan versions.

Instructions

Follow these steps for perfectly delicious sweet potato veggie burgers:

  1. Roast the Sweet Potatoes: Preheat your oven to 400°F (200°C). Pierce the sweet potatoes several times with a fork. Place them on a baking sheet and roast for 45-60 minutes, or until they are very tender and easily pierced with a knife. Let them cool slightly, then peel off the skin. Mash the flesh in a large bowl until mostly smooth (a few small lumps are okay). You should have about 1.5 to 2 cups of mashed sweet potato.
  2. Sauté Aromatics: While the sweet potatoes are roasting (or cooling), heat 1 tablespoon of olive oil in a medium skillet over medium heat. Add the chopped onion and cook until softened and translucent, about 5-7 minutes. Add the minced garlic and cook for another minute until fragrant. Remove from heat and let it cool slightly.
  3. Prepare the Beans: If using canned beans, ensure they are thoroughly rinsed and drained. In a separate medium bowl, roughly mash the beans with a fork or potato masher. You want some texture, so don’t make them completely smooth.
  4. Combine Wet Ingredients: To the large bowl with the mashed sweet potato, add the sautéed onion and garlic mixture, and the mashed beans. Stir well to combine.
  5. Add Dry Ingredients and Seasonings: Add the rolled oats, breadcrumbs, chopped cilantro/parsley, nutritional yeast (if using), soy sauce/tamari, ground cumin, smoked paprika, chili powder, salt, and black pepper to the sweet potato mixture. If using a flax egg, add it now.
  6. Mix Thoroughly: Using a sturdy spoon or your hands, mix everything together until just combined. Be careful not to overmix, as this can make the burgers tough. The mixture should be firm enough to hold its shape but still slightly moist. If it feels too wet, add a little more breadcrumbs or rolled oats, one tablespoon at a time. If it feels too dry, a splash of water or a tiny bit more mashed sweet potato can help.
  7. Chill the Mixture (Recommended): Cover the bowl with plastic wrap and refrigerate for at least 30 minutes, or up to a few hours (even overnight). Chilling helps the ingredients meld and makes the patties easier to form and less likely to fall apart during cooking. This step is highly recommended for the best texture.
  8. Form the Patties: Once chilled, scoop out about ½ to ¾ cup of the mixture (depending on desired patty size) and form it into firm patties, about ¾-inch thick. You should get about 6-8 patties. Place them on a parchment-lined baking sheet or plate.
  9. Cook the Patties: You have a couple of options for cooking:
    • Baking (Recommended for firmness): Preheat oven to 375°F (190°C). Lightly grease a baking sheet or line it with parchment paper. Place the patties on the prepared sheet and bake for 20 minutes. Carefully flip the patties and bake for another 15-20 minutes, or until they are golden brown and firm to the touch.
    • Pan-Frying: Heat a tablespoon or two of olive oil in a large skillet over medium heat. Once the oil is shimmering, carefully place a few patties in the skillet (don’t overcrowd). Cook for 5-7 minutes per side, or until golden brown, crispy, and heated through. Add more oil as needed between batches.
  10. Serve: Let the burgers rest for a few minutes before serving. This helps them firm up further. Serve on your favorite buns with all the fixings!

Nutrition Facts

  • Servings: This recipe makes approximately 6-8 burger patties.
  • Calories per serving (approximate, for 1 of 6 patties): Around 280-350 calories (this can vary based on patty size and exact ingredients used, especially oil for frying).
  • Fiber: High in dietary fiber, primarily from the sweet potatoes, beans, and oats, promoting digestive health and satiety.
  • Protein: A good source of plant-based protein, essential for muscle repair and overall bodily functions, mainly contributed by beans and oats.
  • Vitamin A: Exceptionally rich in Vitamin A (from beta-carotene in sweet potatoes), crucial for vision, immune function, and skin health.
  • Complex Carbohydrates: Provides sustained energy release thanks to the complex carbohydrates from sweet potatoes and whole grains.
  • Low in Saturated Fat: When baked or pan-fried with minimal oil, these burgers are naturally low in saturated fat, making them a heart-healthy choice.

Preparation Time

  • Active Preparation Time: Approximately 30-40 minutes (chopping vegetables, mashing ingredients, forming patties).
  • Sweet Potato Roasting Time: 45-60 minutes.
  • Chilling Time (Recommended): At least 30 minutes, ideally 1-2 hours or even overnight.
  • Cooking Time (Baking or Pan-Frying): 25-40 minutes.
  • Total Time: Approximately 2 to 3.5 hours (including roasting and chilling). Much of this is inactive time, allowing you to multitask.

How to Serve

These versatile Sweet Potato Vegetarian Veggie Burgers can be enjoyed in numerous delicious ways. Here are some ideas to inspire you:

  • The Classic Burger Experience:
    • Buns: Serve on toasted whole wheat buns, brioche buns, pretzel buns, or even gluten-free buns.
    • Lettuce: Crisp iceberg, romaine, butter lettuce, or peppery arugula.
    • Tomato: Slices of ripe beefsteak or Roma tomatoes.
    • Onion: Thinly sliced red onion (raw or grilled) or caramelized yellow onions.
    • Pickles: Dill pickle slices or sweet bread-and-butter pickles.
    • Cheese (optional): Add a slice of cheddar, provolone, Swiss, pepper jack, or a plant-based cheese alternative during the last minute of cooking to melt.
    • Sauces:
      • Ketchup and mustard (classic combo)
      • Mayonnaise (regular or vegan aioli)
      • Spicy Sriracha mayo
      • Barbecue sauce
      • Guacamole or sliced avocado
      • Chipotle aioli
      • Tahini dressing
  • Beyond the Bun:
    • Salad Topper: Crumble a cooked patty over a large green salad for a hearty and flavorful protein boost.
    • Grain Bowl Component: Serve alongside quinoa, brown rice, or farro, with roasted vegetables and a flavorful dressing.
    • Lettuce Wraps: For a lighter, low-carb option, serve the patties in large lettuce cups (like butter lettuce or romaine) with your favorite toppings.
    • Open-Faced Sandwich: Serve on a slice of toasted artisan bread, topped with avocado and a sprinkle of microgreens.
    • With Sides:
      • Sweet potato fries or regular fries
      • Onion rings
      • Coleslaw
      • Potato salad
      • A fresh side salad
      • Grilled corn on the cob
  • Themed Burger Ideas:
    • Southwestern Style: Top with guacamole, salsa, pickled jalapeños, and a sprinkle of cilantro.
    • Mediterranean Flair: Serve in a pita with tzatziki sauce, cucumber, tomato, and red onion.
    • Spicy Kick: Add a spicy chipotle mayo, pepper jack cheese (or vegan alternative), and sliced jalapeños.

Additional Tips

Unlock the full potential of your Sweet Potato Vegetarian Veggie Burgers with these handy tips:

  1. Don’t Skip the Chill: Chilling the burger mixture for at least 30 minutes (ideally longer) is crucial. It allows the oats and breadcrumbs to absorb excess moisture and helps the patties hold their shape much better during cooking.
  2. Moisture Management is Key: If your sweet potatoes are very moist after roasting, let them cool and drain off any excess liquid. The mixture should be moldable, not sticky or wet. If it’s too wet, add a tablespoon more of oats or breadcrumbs at a time. If too dry, a tiny bit of water or plant milk.
  3. Taste and Adjust Seasoning: Before forming all the patties, you can cook a tiny test patty (a tablespoon of the mixture) in a skillet. Taste it and adjust seasonings (salt, pepper, spices) in the main mixture as needed.
  4. Handle with Care: Veggie burgers, especially before they are fully cooked, can be more delicate than meat burgers. Handle them gently when forming and flipping to prevent them from breaking.
  5. Batch Cook and Freeze: These burgers freeze beautifully! Cook the patties completely, let them cool, then wrap individually in plastic wrap or parchment paper and store them in a freezer-safe bag or container for up to 3 months. Reheat in the oven, microwave, or a skillet.
  6. Customize Your Spices: Feel free to experiment with the spices. Add a pinch of cayenne for more heat, some dried herbs like oregano or thyme, or even a bit of curry powder for a different flavor profile.
  7. Gluten-Free Swaps: To make these burgers gluten-free, ensure you use certified gluten-free rolled oats and gluten-free breadcrumbs. Also, use tamari instead of soy sauce.
  8. Make them Vegan: This recipe is easily made vegan. Ensure your breadcrumbs are vegan (most panko is). The flax egg (1 tbsp ground flaxseed + 3 tbsp water, let sit for 5 mins) can be used if you feel you need an extra binder, though often the sweet potato and oats are sufficient. Double-check that any store-bought buns or sauces are also vegan.

FAQ Section

Q1: Why are my veggie burgers falling apart?
A: This is a common issue! It’s usually due to too much moisture or not enough binder. Ensure your sweet potatoes aren’t overly wet and that beans are well-drained. Chilling the mixture for at least 30 minutes is crucial. If the mixture still feels too loose, add a bit more rolled oats or breadcrumbs. A flax egg can also help.

Q2: Can I make these sweet potato veggie burgers vegan?
A: Yes, absolutely! The base recipe is very vegan-friendly. Just ensure your breadcrumbs don’t contain dairy or eggs (many panko brands are naturally vegan). If you feel an extra binder is needed, use a flax egg (1 tablespoon ground flaxseed mixed with 3 tablespoons water, let sit for 5-10 minutes to thicken) instead of a regular egg (which isn’t in this recipe anyway, but good to note for general veggie burger making).

Q3: Can I use different types of beans?
A: Certainly! While black beans are a classic choice for their earthy flavor and texture, you can also use chickpeas (garbanzo beans), cannellini beans, or even red kidney beans. Ensure they are well-rinsed, drained, and roughly mashed.

Q4: How do I store leftover cooked veggie burgers?
A: Let the cooked patties cool completely. Then, store them in an airtight container in the refrigerator for up to 3-4 days. For longer storage, freeze them (see tip #5 above).

Q5: Can I grill these veggie burgers?
A: Yes, but with caution. Veggie burgers are generally more delicate than meat burgers. For best results on a grill:
* Ensure the patties are well-chilled and firm.
* Lightly oil the grill grates to prevent sticking.
* Consider pre-baking or pan-frying them partially to help them firm up before grilling.
* Grill over medium heat and flip carefully and minimally.
* Using a grill mat or a piece of foil (with a few holes poked) can also help.

Q6: What if I don’t have rolled oats? Can I use instant oats or oat flour?
A: Rolled oats provide the best texture. Instant oats can become mushy, so use them sparingly if you must. Oat flour can work as a binder but will result in a denser patty; you might need less of it. Breadcrumbs or even cooked quinoa could be other substitutes if you’re out of rolled oats.

Q7: Are these sweet potato veggie burgers gluten-free?
A: They can easily be made gluten-free. Use certified gluten-free rolled oats, gluten-free breadcrumbs (or make your own from gluten-free bread), and tamari instead of regular soy sauce. Always check labels on all processed ingredients.

Q8: What’s the best way to reheat leftover veggie burgers?
A: For the best texture (crispy exterior, warm interior):
Oven/Toaster Oven: Preheat to 350°F (175°C) and heat for 10-15 minutes until warmed through.
Skillet: Heat a little oil in a skillet over medium heat and cook for 3-4 minutes per side.
Microwave: This is the quickest but can sometimes make them a bit softer. Heat on high for 60-90 seconds, or until hot. You can then briefly pan-fry them to crisp up the outside if desired.

Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon

Sweet Potato Vegetarian Veggie Burgers


  • Author: Bianca

Ingredients

Scale

Here’s what you’ll need to create these flavor-packed veggie burgers:

  • 2 medium sweet potatoes (about 1.5 lbs total): Roasted until tender, these provide the sweet, earthy base and act as a primary binder.
  • 1 tablespoon olive oil: Plus extra for cooking; for roasting the sweet potatoes and sautéing aromatics.
  • 1 medium yellow onion (about 1 cup chopped): Finely chopped, adds a foundational savory flavor.
  • 2 cloves garlic: Minced; for aromatic depth.
  • 1 can (15 ounces) black beans or chickpeas: Rinsed and drained thoroughly, then roughly mashed. These add texture, protein, and substance.
  • ¾ cup rolled oats (not instant): Acts as a binder and adds a pleasant, slightly chewy texture. Use certified gluten-free if needed.
  • ½ cup breadcrumbs (panko or regular): Helps bind the patties and creates a nice exterior. Use gluten-free if necessary.
  • ¼ cup chopped fresh cilantro or parsley: Adds freshness and a pop of color.
  • 1 tablespoon nutritional yeast (optional): For a cheesy, umami flavor boost.
  • 1 tablespoon soy sauce or tamari (for gluten-free): Adds depth and savory umami notes.
  • 1 teaspoon ground cumin: Provides a warm, earthy spice.
  • 1 teaspoon smoked paprika: Lends a delightful smoky flavor, reminiscent of traditional burgers.
  • ½ teaspoon chili powder (mild or medium): Adds a gentle kick of heat and complexity.
  • ½ teaspoon salt (or to taste): Enhances all the other flavors.
  • ¼ teaspoon black pepper (or to taste): For a bit of spice.
  • Optional: 1-2 tablespoons ground flaxseed mixed with 3-4 tablespoons water (flax egg): If you find your mixture too loose, this can help bind it further, especially useful for vegan versions.

Instructions

Follow these steps for perfectly delicious sweet potato veggie burgers:

  1. Roast the Sweet Potatoes: Preheat your oven to 400°F (200°C). Pierce the sweet potatoes several times with a fork. Place them on a baking sheet and roast for 45-60 minutes, or until they are very tender and easily pierced with a knife. Let them cool slightly, then peel off the skin. Mash the flesh in a large bowl until mostly smooth (a few small lumps are okay). You should have about 1.5 to 2 cups of mashed sweet potato.
  2. Sauté Aromatics: While the sweet potatoes are roasting (or cooling), heat 1 tablespoon of olive oil in a medium skillet over medium heat. Add the chopped onion and cook until softened and translucent, about 5-7 minutes. Add the minced garlic and cook for another minute until fragrant. Remove from heat and let it cool slightly.
  3. Prepare the Beans: If using canned beans, ensure they are thoroughly rinsed and drained. In a separate medium bowl, roughly mash the beans with a fork or potato masher. You want some texture, so don’t make them completely smooth.
  4. Combine Wet Ingredients: To the large bowl with the mashed sweet potato, add the sautéed onion and garlic mixture, and the mashed beans. Stir well to combine.
  5. Add Dry Ingredients and Seasonings: Add the rolled oats, breadcrumbs, chopped cilantro/parsley, nutritional yeast (if using), soy sauce/tamari, ground cumin, smoked paprika, chili powder, salt, and black pepper to the sweet potato mixture. If using a flax egg, add it now.
  6. Mix Thoroughly: Using a sturdy spoon or your hands, mix everything together until just combined. Be careful not to overmix, as this can make the  burgers tough. The mixture should be firm enough to hold its shape but still slightly moist. If it feels too wet, add a little more breadcrumbs or rolled oats, one tablespoon at a time. If it feels too dry, a splash of water or a tiny bit more mashed sweet potato can help.
  7. Chill the Mixture (Recommended): Cover the bowl with plastic wrap and refrigerate for at least 30 minutes, or up to a few hours (even overnight). Chilling helps the ingredients meld and makes the patties easier to form and less likely to fall apart during cooking. This step is highly recommended for the best texture.
  8. Form the Patties: Once chilled, scoop out about ½ to ¾ cup of the mixture (depending on desired patty size) and form it into firm patties, about ¾-inch thick. You should get about 6-8 patties. Place them on a parchment-lined baking sheet or plate.
  9. Cook the Patties: You have a couple of options for cooking:
    • Baking (Recommended for firmness): Preheat oven to 375°F (190°C). Lightly grease a baking sheet or line it with parchment paper. Place the patties on the prepared sheet and bake for 20 minutes. Carefully flip the patties and bake for another 15-20 minutes, or until they are golden brown and firm to the touch.
    • Pan-Frying: Heat a tablespoon or two of olive oil in a large skillet over medium heat. Once the oil is shimmering, carefully place a few patties in the skillet (don’t overcrowd). Cook for 5-7 minutes per side, or until golden brown, crispy, and heated through. Add more oil as needed between batches.
  10. Serve: Let the  burgers rest for a few minutes before serving. This helps them firm up further. Serve on your favorite buns with all the fixings!

Nutrition

  • Serving Size: one normal portion
  • Calories: 350