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–+ servings
Sarah

Best Chicken Fajita Casserole

Tender chicken, colorful peppers, creamy cheese, and pasta bake together in this easy 30-minute fajita casserole — comforting, flavorful, and perfect for busy women who love simple, cozy dinners.
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Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings: 6 servings
Course: Main Dish
Cuisine: American-Mexican Fusion
Calories: 480
Ingredients Equipment Method Nutrition Notes

Ingredients

  • 1 lb chicken breast or thigh, sliced
  • 1 Tbsp olive oil
  • 1 tsp chili powder
  • 1 tsp paprika
  • ½ tsp cumin
  • salt and pepper, to taste
  • 3 bell peppers (1 red, 1 yellow, 1 green), sliced
  • 1 small onion, sliced
  • 3 cups cooked pasta (penne or rotini)
  • ¾ cup sour cream or Greek yogurt
  • 4 oz cream cheese, softened
  • 1 cup salsa or fire-roasted tomatoes
  • ½ cup milk
  • 2 cups shredded cheese (cheddar, pepper jack, or mix)
  • cilantro, lime wedges, and avocado for serving

Equipment

  • 9×13-inch casserole dish
  • Large skillet
  • mixing bowl
  • whisk
  • Cutting board and knife
  • measuring cups and spoons

Method

  • Preheat oven to 375°F / 190°C and lightly grease a 9×13-inch casserole dish.
  • Heat olive oil in a skillet over medium-high heat. Add chicken, chili powder, paprika, cumin, salt, and pepper. Cook until golden and internal temperature reaches 165°F / 74°C. Remove from skillet.
  • In the same pan, sauté sliced peppers and onion for 5 minutes until softened.
  • In a large bowl, whisk together sour cream, cream cheese, salsa, milk, and 1 cup shredded cheese. Stir in cooked pasta until coated.
  • Add cooked chicken and sautéed vegetables to the pasta mixture. Toss until evenly combined, then spread into the prepared casserole dish.
  • Top with remaining 1 cup cheese and bake for 20 minutes until bubbly and lightly golden.
  • Let cool slightly before serving. Garnish with cilantro, lime wedges, and avocado slices.

Nutrition

Calories: 480kcalCarbohydrates: 28gProtein: 34gFat: 23gSaturated Fat: 10gPolyunsaturated Fat: 2gMonounsaturated Fat: 8gCholesterol: 95mgSodium: 720mgPotassium: 640mgFiber: 3gSugar: 6gVitamin A: 720IUVitamin C: 68mgCalcium: 250mgIron: 2.4mg

Notes

Add cooked beans or corn for extra color and fiber.
Pairs beautifully with Honey Sesame Chicken, Burrata Chicken Milanese, or Cheesy Garlic Chicken Wraps.
Freezer-friendly up to 2 months; reheat covered until warm.
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