Cheesy Chicken Fajita Casserole (Printer-Friendly)

Comforting Tex-Mex casserole with juicy chicken, colorful peppers, and melted cheese baked to golden perfection.

# What You'll Need:

→ Meats

01 - 3 cups cooked chicken breast, shredded or cubed

→ Vegetables

02 - 1 large red bell pepper, sliced
03 - 1 large green bell pepper, sliced
04 - 1 large yellow bell pepper, sliced
05 - 1 large onion, sliced

→ Dairy

06 - 2 cups shredded Mexican blend cheese
07 - 1/2 cup sour cream
08 - 4 oz cream cheese, softened

→ Pantry & Seasonings

09 - 1 can (10 oz) diced tomatoes with green chilies, drained
10 - 1 tsp chili powder
11 - 1 tsp ground cumin
12 - 1/2 tsp smoked paprika
13 - 1/2 tsp garlic powder
14 - 1/2 tsp onion powder
15 - 1/4 tsp cayenne pepper
16 - Salt and black pepper, to taste
17 - 1 tbsp olive oil
18 - Fresh cilantro, chopped
19 - Sliced green onions

# How-To Steps:

01 - Preheat oven to 375°F. Grease a 9x13-inch casserole dish with cooking spray or butter.
02 - Heat olive oil in a large skillet over medium-high heat. Add sliced bell peppers and onion. Sauté for 6–8 minutes until softened and slightly caramelized. Remove from heat.
03 - In a large bowl, combine shredded chicken, sautéed vegetables, diced tomatoes with green chilies, chili powder, cumin, smoked paprika, garlic powder, onion powder, cayenne pepper, softened cream cheese, and sour cream. Mix thoroughly until well combined. Season with salt and black pepper to taste.
04 - Transfer the chicken mixture to the prepared casserole dish, spreading evenly. Sprinkle shredded Mexican blend cheese uniformly over the top.
05 - Bake uncovered for 25–30 minutes until heated through, bubbly, and cheese is golden brown.
06 - Let casserole rest for 5 minutes before serving. Garnish with fresh chopped cilantro and sliced green onions if desired.

# Expert Advice:

01 -
  • Everything you love about fajitas without the individual assembly work
  • Perfect for feeding a crowd with just one pan to wash
  • It tastes even better the next day for lunch
02 -
  • Drain the tomatoes thoroughly or you will end up with a watery casserole
  • Let the cream cheese soften completely before mixing or you will get lumps
  • Do not cover with foil while baking or the cheese will not get that beautiful golden top
03 -
  • Use a mix of sharp cheddar and Monterey Jack for better flavor
  • Add a can of black beans for extra protein and fiber
  • Put the pan under the broiler for 2 minutes at the end for extra crispy cheese

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