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Delicious fajita chicken casserole bake topped with cheese and colorful peppers

Fajita Chicken Casserole Bake

A flavorful Tex-Mex casserole combining shredded chicken, colorful bell peppers, and creamy cheeses baked to perfection, perfect for busy weeknights.
Print it Pin Recipe
Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Servings: 6 servings
Course: Dinner, Main Course
Cuisine: Mexican, Tex-Mex
Calories: 450
Ingredients Method Notes

Ingredients
  

Main ingredients
  • 2 large chicken breasts, cooked and shredded You can use rotisserie chicken for convenience.
  • 1 red bell pepper sliced
  • 1 green bell pepper sliced
  • 1 yellow bell pepper sliced
  • 1 medium onion, sliced
  • 1 cup sour cream
  • 1/2 cup cream cheese, softened
  • 1 1/2 cups shredded cheddar cheese
  • 1 cup shredded Monterey Jack cheese
  • 1 packet fajita seasoning
  • 1 tablespoon olive oil
Optional Toppings
  • chopped cilantro For garnish.
  • sliced jalapeños For added spice.
  • avocado Sliced, for serving.
  • lime wedges For serving.

Method
 

Preparation
  1. Preheat your oven to 375°F (190°C).
  2. In a large skillet, heat the olive oil over medium heat.
  3. Add sliced bell peppers and onion; sauté for about 5–6 minutes until softened.
  4. In a large bowl, combine the shredded chicken, sautéed vegetables, sour cream, cream cheese, fajita seasoning, and half of the shredded cheeses.
  5. Mix thoroughly until all ingredients are well-combined.
  6. Transfer the mixture to a greased 9×13-inch baking dish.
  7. Top with the remaining shredded cheese.
Baking
  1. Bake for 20–25 minutes, or until the casserole is hot and bubbly.
  2. If you like a crispy top, broil for an additional 2–3 minutes.
  3. Garnish with optional toppings before serving.

Notes

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. It also freezes well for up to 2–3 months.