Fajita Chicken Casserole Recipe

Introduction

This Fajita Chicken Casserole combines the bold flavors of classic fajitas into a comforting, easy-to-make dish. With tender chicken, sautéed peppers and onions, and gooey cheese, it’s perfect for a family dinner or meal prep.

Ingredients

• 1 lb boneless, skinless chicken breasts, cut into bite-sized pieces
• 1 large onion, sliced
• 1 large bell pepper, sliced (any color)
• 1 cup shredded cheddar cheese
• 1 cup shredded mozzarella cheese
• 1 packet fajita seasoning mix
• 1 cup sour cream
• 1/2 cup chicken broth
• 1 tbsp olive oil
• Salt and pepper to taste
• Fresh cilantro, chopped (optional, for garnish)

Instructions

1. Step 1: Preheat your oven to 375°F (190°C). Heat olive oil in a large skillet over medium-high heat.
2. Step 2: Add the chicken pieces to the skillet. Season with salt and pepper, then cook until browned and cooked through, about 5-7 minutes. Remove chicken and set aside.
3. Step 3: In the same skillet, add sliced onions and bell peppers. Cook until softened, about 5 minutes.
4. Step 4: Return the chicken to the skillet. Sprinkle the fajita seasoning over the mixture and pour in the chicken broth. Stir well and let simmer for 2-3 minutes.
5. Step 5: Remove the skillet from heat and stir in the sour cream until everything is well combined.
6. Step 6: Transfer the mixture to a baking dish. Sprinkle the shredded cheddar and mozzarella cheeses evenly on top.
7. Step 7: Bake uncovered in the preheated oven for 15-20 minutes, or until the cheese is melted and bubbly.
8. Step 8: Remove from the oven, garnish with fresh cilantro if desired, and serve warm.

Tips & Variations

• For extra heat, add sliced jalapeños or a dash of cayenne pepper to the fajita mixture.
• Switch up the cheese blend by trying pepper jack or Monterey Jack for a different flavor profile.
• Use Greek yogurt in place of sour cream for a lighter option.
• Serve over rice or with warm tortillas for a complete meal.

Storage

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the microwave or oven until warmed through. This casserole can also be frozen for up to 1 month; thaw overnight in the refrigerator before reheating.

How to Serve

Serve this delicious recipe with your favorite sides.

FAQs

Can I use frozen chicken for this casserole?

It’s best to use fresh or fully thawed chicken to ensure even cooking and the best texture. If using frozen chicken, make sure to thaw it completely before cooking.

Can I make this casserole ahead of time?

Yes, you can prepare the casserole up to the baking step, then cover and refrigerate it for up to 24 hours before baking. Bake as directed, adding a few extra minutes if baking directly from the fridge.

Fajita Chicken Casserole Recipe

Print Recipe

★★★★★

4.5 from 130 reviews

This Fajita Chicken Casserole combines the bold, smoky flavors of traditional fajitas with the comforting, cheesy goodness of a casserole. Tender chicken breast pieces are sautéed with onions and bell peppers, seasoned with a fajita spice mix, then baked in a creamy sour cream and chicken broth mixture, topped with melted cheddar and mozzarella cheese for a deliciously hearty meal that’s perfect for weeknight dinners or casual gatherings.

• Author: Zane
• Prep Time: 15 minutes
• Cook Time: 30 minutes
• Total Time: 45 minutes
• Yield: 4 servings 1x
• Category: Main Course
• Method: Stovetop and Baking
• Cuisine: Tex-Mex

Ingredients

Scale 1x2x3x

Chicken and Vegetables

• 1 lb boneless, skinless chicken breasts, cut into bite-sized pieces
• 1 large onion, sliced
• 1 large bell pepper, sliced (any color)

Cheese and Dairy

• 1 cup shredded cheddar cheese
• 1 cup shredded mozzarella cheese
• 1 cup sour cream

Seasonings and Liquids

• 1 packet fajita seasoning mix (approximately 1 oz)
• 1/2 cup chicken broth
• 1 tbsp olive oil
• Salt and pepper to taste

Garnish

• Fresh cilantro, chopped (optional)

Instructions

1. Prepare the Chicken: Heat the olive oil in a large skillet over medium-high heat. Add the bite-sized chicken pieces and season with salt and pepper. Cook, stirring occasionally, until the chicken is browned on all sides and cooked through, about 6-8 minutes.
2. Sauté the Vegetables: Add the sliced onions and bell peppers to the skillet with the chicken. Cook for an additional 5 minutes, stirring occasionally, until the vegetables are tender but still slightly crisp.
3. Add Seasoning: Sprinkle the fajita seasoning mix over the chicken and vegetables. Stir well to evenly coat everything with the spices.
4. Combine with Liquids: Reduce the heat to medium-low. Stir in the sour cream and chicken broth, mixing until a creamy sauce forms and everything is well combined. Cook for another 2-3 minutes to heat through and allow the flavors to meld.
5. Assemble the Casserole: Preheat your oven to 375°F (190°C). Transfer the chicken and vegetable mixture into a greased 9×9-inch casserole dish. Sprinkle the shredded cheddar and mozzarella cheeses evenly over the top.
6. Bake: Place the casserole dish in the oven and bake uncovered for 15-20 minutes, or until the cheese is melted and bubbly with a slight golden crust.
7. Garnish and Serve: Remove the casserole from the oven and let it rest for 5 minutes. Garnish with chopped fresh cilantro if desired. Serve hot and enjoy your flavorful fajita chicken casserole!

Notes

• You can substitute the chicken breasts with boneless, skinless chicken thighs for a juicier dish.
• If you prefer a spicier casserole, add a pinch of cayenne pepper or chopped jalapeños.
• This casserole pairs well with a side of rice, tortillas, or a fresh green salad.
• Leftovers can be stored in an airtight container in the refrigerator for up to 3 days.
• To make it gluten-free, ensure the fajita seasoning mix does not contain gluten or use a certified gluten-free seasoning blend.

Keywords: fajita chicken casserole, chicken casserole, Tex-Mex casserole, cheesy chicken bake, easy dinner recipes