Follow these steps carefully for a perfect Spicy Chicken and Rice Skillet every time:

1. Prepare the Chicken: Pat the chicken thigh pieces dry with paper towels. Season generously with about half of the salt, black pepper, smoked paprika, and cumin. This initial seasoning layer builds flavor right from the start.
2. Sear the Chicken: Heat the olive oil in a large, deep skillet or a Dutch oven with a tight-fitting lid over medium-high heat. Once the oil is shimmering, add the seasoned chicken pieces in a single layer (work in batches if necessary to avoid overcrowding). Sear for 3-4 minutes per side, until nicely browned. The browning process, known as the Maillard reaction, adds incredible depth of flavor. Remove the chicken from the skillet and set aside on a plate. It doesn’t need to be cooked through at this stage.
3. Sauté Aromatics & Vegetables: Reduce the heat to medium. Add the chopped onion to the same skillet, scraping up any browned bits (fond) from the bottom of the pan with your spoon – this is packed with flavor! Sauté for 4-5 minutes, or until softened and translucent. Add the minced garlic, diced red and green bell peppers (and jalapeño, if using). Cook for another 5-7 minutes, stirring occasionally, until the peppers begin to soften.
4. Toast Spices and Rice: Add the remaining salt, black pepper, smoked paprika, cumin, dried oregano, and cayenne pepper to the skillet with the  vegetables. Stir well and cook for 1 minute more, until fragrant. This step, known as “blooming” the spices, intensifies their flavors. Add the uncooked long-grain white rice to the skillet. Stir continuously for 1-2 minutes to toast the rice grains lightly. This helps the rice absorb flavors and maintain a good texture.
5. Deglaze and Combine: Pour in the undrained diced tomatoes and the chicken broth. Stir well, ensuring you scrape any remaining browned bits from the bottom of the skillet. Bring the mixture to a gentle simmer.
6. Return Chicken and Simmer: Nestle the seared chicken pieces (and any accumulated juices from the plate) back into the rice mixture. Ensure the chicken is mostly submerged in the liquid.
7. Cook Covered: Once the liquid returns to a gentle simmer, reduce the heat to low. Cover the skillet tightly with the lid. Cook for 20-25 minutes, or until the rice is tender and most of the liquid has been absorbed. Crucially, do not lift the lid during this cooking time! This allows the steam to cook the rice properly.
8. Rest and Fluff: After the cooking time is up, turn off the heat and let the skillet stand, still covered, for at least 10 minutes. This resting period is vital for the rice to finish steaming and for the flavors to meld beautifully.
9. Serve: Remove the lid. Fluff the rice gently with a fork. Garnish generously with fresh chopped cilantro and serve immediately with lime wedges on the side for squeezing over.