This Fajita Chicken Breasts Casserole is a winner winner chicken dinner that’s easy to prepare and packed with flavor! Tender chicken breasts are coated with a blend of spices, then baked to perfection with colorful bell peppers and onions. Topped with melted Mozzarella cheese and fresh cilantro, this casserole is a delicious and satisfying meal that’s sure to please the whole family.
To make this recipe, simply season the chicken with a mix of cumin, chili powder, garlic, paprika, salt, and pepper. Arrange the chicken in a baking dish with the bell peppers and onion, then top with shredded cheese. Bake for 20-30 minutes until the chicken is cooked through and the cheese is melted and bubbly.
Serve this fajita chicken casserole over your favorite base, such as cauliflower rice, steamed vegetables, or zucchini noodles. And if you like a crispy top, broil it for a couple of minutes at the end. Trust us, this dish will become a regular on your dinner rotation!
3-4 small skinless, boneless chicken breasts (about 1 1/2 lbs or 750g) or 2 large chicken breasts, split lengthwise
2 bell peppers (1 red and 1 green), seeded and cut into strips
1 medium onion, minced
1 tsp cumin powder
1 1/2 tsp chili powder
1 tsp garlic powder or minced garlic
2 tsp paprika
Salt and freshly ground black pepper, to taste
1 tbsp vegetable oil
1 cup shredded mozzarella cheese (or your favorite cheese)
Fresh chopped cilantro or parsley, for garnish
Preheat your oven to 400°F (200°C) and lightly grease a baking dish.
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Season chicken breasts on both sides with cumin, chili powder, garlic, paprika, salt, and pepper. Set aside some of the spices for later.
Place chicken breasts in the prepared baking dish and drizzle with oil. Top with bell peppers and onions, and sprinkle with remaining fajita seasonings. Finish with shredded mozzarella cheese.
Bake the fajita chicken casserole for 20-30 minutes (depending on the thickness), or until the chicken is cooked through and reaches an internal temperature of 165°F (74°C). You can broil the casserole for 2 minutes at the end to crisp up the top if desired. Serve immediately over cauliflower rice, steamed vegetables, zucchini noodles, or on its own. Enjoy!