Name: Stuffed Mushroom Caps with Veggies
Ingredients: 24 oz (about 20-24) Cremini Mushrooms: Often called “baby bellas,” these mushrooms provide a deeper, earthier flavor and a firmer texture than white button mushrooms, making them the ideal vessel for our savory filling. Ensure they are uniform in size for even cooking.; 2 tablespoons Olive Oil: A quality extra-virgin olive oil is used to sauté the vegetables and adds a foundational layer of fruity, peppery flavor.; 1 medium Yellow Onion, finely diced: This aromatic all-star builds the savory base of the filling, becoming sweet and translucent when cooked. A fine dice is crucial for a pleasant texture.; 1 Red Bell Pepper, finely diced: Adds a wonderful sweetness, a vibrant pop of color, and a slight crunch to the filling, balancing the earthiness of the mushrooms.; 8 oz Spinach, fresh: You can use a whole 8oz bag. When wilted down, it adds essential nutrients, a beautiful green color, and a subtle, pleasant flavor without overpowering the other ingredients.; 3 cloves Garlic, minced: No savory dish is complete without it. Freshly minced garlic provides a pungent, aromatic kick that infuses the entire filling.; 1/2 cup Panko Breadcrumbs: These Japanese-style breadcrumbs are lighter and flakier than traditional breadcrumbs, resulting in a wonderfully crispy, crunchy topping that doesn’t get soggy.; 1/2 cup Grated Parmesan Cheese, plus extra for topping: Provides a salty, nutty, and savory (umami) flavor that ties the entire filling together. A little extra sprinkled on top creates that irresistible golden-brown crust.; 1/4 cup Fresh Parsley, chopped: Adds a bright, clean, and slightly peppery flavor that cuts through the richness of the cheese and earthiness of the mushrooms.; 1/2 teaspoon Dried Oregano: This herb contributes a robust, peppery, and aromatic quality that pairs beautifully with mushrooms and cheese.; 1/4 teaspoon Black Pepper, freshly ground: For a touch of spice and to enhance all the other flavors in the dish.; 1/4 teaspoon Salt, or to taste: Essential for bringing out the natural flavors of the vegetables and balancing the dish.

Ingredients

Scale

24 oz (about 20–24) Cremini Mushrooms: Often called “baby bellas,” these mushrooms provide a deeper, earthier flavor and a firmer texture than white button mushrooms, making them the ideal vessel for our savory filling. Ensure they are uniform in size for even cooking.
2 tablespoons Olive Oil: A quality extra-virgin olive oil is used to sauté the vegetables and adds a foundational layer of fruity, peppery flavor.
1 medium Yellow Onion, finely diced: This aromatic all-star builds the savory base of the filling, becoming sweet and translucent when cooked. A fine dice is crucial for a pleasant texture.
1 Red Bell Pepper, finely diced: Adds a wonderful sweetness, a vibrant pop of color, and a slight crunch to the filling, balancing the earthiness of the mushrooms.
8 oz Spinach, fresh: You can use a whole 8oz bag. When wilted down, it adds essential nutrients, a beautiful green color, and a subtle, pleasant flavor without overpowering the other ingredients.
3 cloves Garlic, minced: No savory dish is complete without it. Freshly minced garlic provides a pungent, aromatic kick that infuses the entire filling.
1/2 cup Panko Breadcrumbs: These Japanese-style breadcrumbs are lighter and flakier than traditional breadcrumbs, resulting in a wonderfully crispy, crunchy topping that doesn’t get soggy.
1/2 cup Grated Parmesan Cheese, plus extra for topping: Provides a salty, nutty, and savory (umami) flavor that ties the entire filling together. A little extra sprinkled on top creates that irresistible golden-brown crust.
1/4 cup Fresh Parsley, chopped: Adds a bright, clean, and slightly peppery flavor that cuts through the richness of the cheese and earthiness of the mushrooms.
1/2 teaspoon Dried Oregano: This herb contributes a robust, peppery, and aromatic quality that pairs beautifully with mushrooms and cheese.
1/4 teaspoon Black Pepper, freshly ground: For a touch of spice and to enhance all the other flavors in the dish.
1/4 teaspoon Salt, or to taste: Essential for bringing out the natural flavors of the vegetables and balancing the dish.

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Instructions

Prepare the Mushroom Caps: Begin by cleaning your cremini mushrooms. Avoid submerging them in water, as they are like tiny sponges and will become waterlogged. Instead, use a damp paper towel or a soft mushroom brush to gently wipe away any dirt. Carefully twist and pull the stems out from the caps. The stems will pop right out. Set the hollowed-out caps on a parchment-lined baking sheet, cavity-side up. Finely chop the removed mushroom stems; they are packed with flavor and will be a key ingredient in our stuffing.
Sauté the Aromatics and Vegetables: Place a large skillet over medium heat and add the 2 tablespoons of olive oil. Once the oil is shimmering, add the finely diced yellow onion, red bell pepper, and the chopped mushroom stems. Sauté for about 6-8 minutes, stirring occasionally, until the vegetables have softened and the onion is translucent. This step is crucial for developing a deep flavor base.
Wilt the Spinach and Add Garlic: Add the entire 8oz of fresh spinach to the skillet. It will look like a mountain, but don’t worry, it will cook down significantly. Stir continuously for 2-3 minutes until the spinach has completely wilted. Now, add the 3 minced garlic cloves and cook for another minute until fragrant. Be careful not to burn the garlic, as it can become bitter. Remove the skillet from the heat.
Drain Excess Moisture: This is a critical step to prevent a soggy filling. Tip the skillet over a colander or use a spoon to press the vegetable mixture against the side of the pan, allowing any excess liquid released from the mushrooms and spinach to drain away. You want a relatively dry mixture.
Combine the Filling Ingredients: Transfer the drained vegetable mixture to a medium-sized mixing bowl. Add the 1/2 cup of Panko breadcrumbs, 1/2 cup of grated Parmesan cheese, 1/4 cup of chopped fresh parsley, 1/2 teaspoon of dried oregano, 1/4 teaspoon of black pepper, and 1/4 teaspoon of salt. Stir everything together until it is thoroughly combined. Taste the filling and adjust seasoning if necessary—it should be well-seasoned and savory.
Stuff the Mushroom Caps: Using a small spoon or your clean fingers, generously fill each mushroom cap with the vegetable and breadcrumb mixture. Mound the filling on top, pressing it down gently to pack it in. Don’t be shy; a heaping mound of filling is what makes these so satisfying. Arrange the stuffed mushrooms back on the parchment-lined baking sheet.
Bake to Perfection: Preheat your oven to 400°F (200°C). Lightly sprinkle the tops of the stuffed mushrooms with a little extra grated Parmesan cheese. This will help create that delicious, golden-brown, crispy crust. Bake for 15-20 minutes, or until the mushroom caps are tender and the topping is golden brown and bubbly. The mushrooms will release some liquid as they cook, which is perfectly normal.
Rest and Garnish: Once baked, remove the baking sheet from the oven and let the mushrooms rest for a few minutes. This allows them to cool slightly and makes them easier to handle. Garnish with a sprinkle of extra fresh parsley for a touch of color and freshness before serving.

Nutrition

Serving Size: one normal portion
Calories: 180