This Chicken Fajita Casserole is bold, cheesy, and packed with classic fajita flavors. Juicy chicken, sautéed peppers and onions, hearty beans, and sweet corn are baked together with melted cheese for a comforting, all-in-one meal.
It’s quick, easy, and perfect for busy weeknights or meal prep. Every bite is loaded with flavor, and the optional crunchy tortilla topping takes it to the next level.
Servings: 6 servings
Prep Time: 15 minutes
Cook Time: 25 minutes
Total Time: 40 minutes
Ingredients
2 cups cooked chicken, shredded or diced
1 bell pepper, sliced
1 onion, sliced
1 can (15 oz) black beans, drained and rinsed
1 can (10 oz) diced tomatoes with green chilies
1 cup corn (frozen or canned)
1 cup shredded cheese (cheddar or Mexican blend)
1 tablespoon olive oil
2 tablespoons fajita seasoning
Salt and pepper to taste
Tortilla chips (optional, for topping)
Fresh cilantro (optional, for garnish)
Sour cream or guacamole (optional, for serving)
Instructions
Preheat the Oven
Preheat oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish.
Sauté the Vegetables
Heat olive oil in a skillet over medium heat. Add sliced bell pepper and onion. Cook for 5–7 minutes until softened.
Combine Ingredients
In a large bowl, mix cooked chicken, sautéed vegetables, black beans, diced tomatoes, corn, fajita seasoning, salt, and pepper. Stir until well combined.
Assemble the Casserole
Transfer mixture into the prepared baking dish and spread evenly. Top with shredded cheese.
Bake
Bake for 20–25 minutes until cheese is melted and bubbly.
Add Crunch (Optional)
Sprinkle tortilla chips on top during the last 5 minutes of baking for added texture.
Serve
Let cool slightly. Garnish with fresh cilantro and serve with sour cream or guacamole if desired.
Additional Notes
Tips for Best Flavor
Use rotisserie chicken for convenience
Add extra cheese for a richer dish
Adjust seasoning to taste
Meal Prep & Storage
Store in refrigerator up to 4 days
Reheat in oven or microwave
Great for meal prep
Nutritional Information (Approx. per serving)
Calories: 350–400
Protein: 28–32g
Carbs: 20–25g
Fat: 15–18g
Variations
Low-Carb: Skip beans and corn
Spicy: Add jalapeños
Extra Creamy: Mix in cream cheese
