Fajita Chicken Breast Casserole for One

Looking for a delicious and easy-to-make casserole recipe? Look no further than this fajita chicken breast casserole! Made with juicy chicken breasts, fresh veggies, and a flavorful fajita seasoning, this dish is sure to please. Plus, it’s ready in just 30 minutes!


  • 4 oz (F) or 6 oz (M) boneless, skinless chicken breast
  • 1 ½ cup bell peppers, red and green, seeded and cut into strips
  • ½ cup onion, minced
  • ¼ tsp cumin powder (to taste)
  • ½ tsp chili powder (to taste)
  • ¼ tsp garlic powder, or minced garlic
  • ½ tsp paprika (to taste)
  • Salt and pepper to taste
  • 1 tbsp olive oil
  • 1 oz shredded mozzarella cheese
  • Fresh chopped cilantro or parsley, for garnish

This chicken fajita casserole is a delicious and easy-to-make Mexican-inspired dish. It is made with seasoned chicken breast cooked with red and green bell peppers and onions, creating a flavorful and colorful mix. The mixture is topped with shredded mozzarella cheese, which adds a gooey and creamy texture to the dish. The casserole is then baked in the oven until the cheese is melted and bubbly, creating a satisfying and comforting meal. To add a fresh and bright touch, it is garnished with chopped fresh parsley or cilantro before serving. This recipe is perfect for a family dinner or a meal prep option.

Step by Step Instructions

Step 1

Preheat oven to 400 F. Lightly grease a baking dish. Place chicken breast on a shallow plate; sprinkle cumin, chili powder, garlic, paprika, salt, and pepper on both sides. Keep some of the spices for sprinkling over the vegetables.

Step 2

Arrange chicken breast into the prepared baking dish, drizzle with oil. Top chicken breast with bell peppers and onion, then sprinkle some of the remaining fajita seasonings. Finish with shredded mozzarella cheese on top.

Step 3

Bake the fajita chicken casserole for 20-30 minutes, until chicken is cooked through and reaches an internal temperature of 165 F (74 C). You can broil the fajita chicken casserole for 2 minutes at the end to crisp up the top (optional).

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