Chicken Fajitas Casserole
If you love the flavors of sizzling fajitas but want an easy, oven-baked dish, this Chicken Fajitas Casserole is perfect. It combines juicy chicken, colorful veggies, gooey cheese, and bold spices into a cozy baked meal the whole family will love. Plus, it’s a one-dish wonder—less cleanup, more flavor!
What Kind of Chicken Should I Use?
For the best results, use boneless, skinless chicken breasts or thighs. Cooked and shredded chicken works great for this recipe. If you have leftover rotisserie chicken, that’s a big time saver!
Ingredients for the Chicken Fajitas Casserole
- 3 cups cooked, shredded chicken
- 2 bell peppers (red and green, sliced)
- 1 medium onion (sliced)
- 2 tbsp olive oil
- 1 packet fajita seasoning (or homemade mix)
- 1 cup shredded cheddar cheese
- 1 cup shredded mozzarella cheese
- ½ cup sour cream
- ½ cup chicken broth
- Salt and pepper (to taste)
- Fresh cilantro (for garnish)
How To Make the Chicken Fajitas Casserole
Step 1: Preheat and Prep
Preheat your oven to 375°F (190°C). Grease a large casserole dish with olive oil or non-stick spray.
Step 2: Sauté the Veggies
Heat olive oil in a skillet over medium heat. Add sliced bell peppers and onions. Cook for 4–5 minutes until slightly softened and fragrant.
Step 3: Season and Combine
In a large mixing bowl, combine shredded chicken, sautéed veggies, fajita seasoning, sour cream, and chicken broth. Mix until everything is coated.
Step 4: Assemble the Casserole
Pour the mixture into the prepared casserole dish. Spread it evenly, then top with cheddar and mozzarella cheese.
Step 5: Bake Until Bubbling
Place the dish in the oven and bake for 20–25 minutes, or until the cheese is melted and bubbly with golden edges.
Step 6: Garnish and Serve
Remove from the oven and let it cool slightly. Garnish with fresh cilantro and serve with warm tortillas, rice, or chips.
Serving and Storing Chicken Fajitas Casserole
Serve this dish with warm tortillas, Mexican rice, or tortilla chips for the ultimate comfort meal. Store leftovers in an airtight container in the fridge for up to 3 days. Reheat in the oven for best results.
Frequently Asked Questions
Can I use raw chicken instead of cooked?
Yes, but you’ll need to bake it longer (about 40–45 minutes) to ensure it cooks fully.
What cheese works best?
A mix of cheddar and mozzarella gives the perfect melt and flavor.
Can I make this ahead of time?
Yes! Assemble the casserole, cover, and refrigerate for up to 24 hours. Bake when ready to serve.
Is it gluten-free?
Yes, as long as you use a gluten-free fajita seasoning and tortillas.
Can I add beans or corn?
Absolutely! Black beans and sweet corn make great additions for extra flavor and texture.
