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Fiesta Chicken Casserole Bake Loaded With Flavor - Easy, Cozy, and Crowd-Pleasing

Prep Time15 minutes
Cook Time35 minutes
Total Time50 minutes
Servings: 6 servings

Ingredients

  • Cooked chicken, shredded or chopped (about 3 cups; rotisserie works well)
  • Corn tortillas (8–10) or cooked rice (3 cups), your choice of base
  • Black beans (1 can, drained and rinsed)
  • Corn kernels (1 can drained, or 1.5 cups frozen, thawed)
  • Bell pepper (1 large, diced; any color)
  • Red onion (1 small, diced)
  • Salsa (1.5 cups; choose your preferred heat level)
  • Canned diced green chiles (1 small can, mild or hot)
  • Greek yogurt or sour cream (3/4 cup)
  • Cream cheese (4 oz, softened; optional for extra creaminess)
  • Shredded cheese (2–2.5 cups; Mexican blend, cheddar, or Monterey Jack)
  • Spices: chili powder, cumin, smoked paprika, garlic powder, salt, black pepper
  • Lime (1, for juice and zest)
  • Fresh cilantro (a small bunch, chopped)
  • Olive oil (1–2 tablespoons)
  • Optional toppings: sliced jalapeños, avocado, green onions, hot sauce

Instructions

  • Preheat the oven to 375°F (190°C). Grease a 9x13-inch baking dish with a little olive oil.
  • Sauté your veggies: Warm 1 tablespoon olive oil in a skillet over medium heat. Add diced red onion and bell pepper. Cook 4–5 minutes until softened and fragrant. Season with a pinch of salt.
  • Make the creamy sauce: In a large bowl, mix salsa, Greek yogurt (or sour cream), cream cheese (if using), green chiles, 1 teaspoon chili powder, 1 teaspoon cumin, 1/2 teaspoon smoked paprika, 1/2 teaspoon garlic powder, 1/2 teaspoon salt, and a few grinds of black pepper. Stir until mostly smooth. Squeeze in half the lime juice and add a little zest if you like brightness.
  • Add the mix-ins: Fold in shredded chicken, black beans, corn, and the sautéed veggies. Stir to coat everything in the sauce. Taste and adjust seasoning—add more chili powder or a pinch of salt if needed.
  • Prepare the base: Using corn tortillas: Cut tortillas into quarters. Spread a thin layer of the chicken mixture on the bottom of the baking dish. Add a layer of tortilla pieces, then more chicken mixture, then a sprinkle of cheese. Repeat layers, finishing with cheese on top.
  • Using rice: Spread the cooked rice in an even layer on the bottom. Top with the chicken mixture and finish with cheese.
  • Bake uncovered for 22–28 minutes, until bubbling around the edges and the cheese is melted and lightly golden.
  • Rest and garnish: Let the casserole sit 8–10 minutes to set. Sprinkle with chopped cilantro and a squeeze of lime. Add jalapeños, diced avocado, or green onions if you like.
  • Serve warm with a simple side salad or steamed veggies. A dollop of sour cream and a few dashes of hot sauce never hurt.