Easy Chicken Fajita Casserole Recipe – Cheesy, Flavor-Packed Dinner

Introduction

If you’re craving all the bold flavors of sizzling fajitas but want something comforting and easy, this Chicken Fajita Casserole Recipe is exactly what you need! Imagine tender chicken, colorful bell peppers, onions, and gooey melted cheese baked together in one dish—it’s the ultimate comfort food meets Mexican-inspired flavor.

Perfect for weeknight dinners, family gatherings, or even meal prep, this casserole takes the hassle out of standing by the stovetop. Just toss everything in a dish, bake, and enjoy a hearty, delicious meal that everyone will love.

History / Background

The classic fajita originated in Texas in the 1930s, when ranch workers created flavorful meals using skirt steak cooked over open flames. Over the years, fajitas became a Tex-Mex staple, often served sizzling hot with tortillas and toppings. The fajita casserole is a modern twist, turning this handheld dish into a one-pan baked meal—easy, cheesy, and perfect for busy families who love Tex-Mex flavors without the fuss.

Why You’ll Love This Recipe

• ⭐ One-Pan Meal – Minimal cleanup, maximum flavor.
• ⭐ Family-Friendly – Cheesy, colorful, and kid-approved.
• ⭐ Customizable – Adjust spice, toppings, or protein.
• ⭐ Budget-Friendly – Uses simple, affordable ingredients.
• ⭐ Great for Meal Prep – Tastes even better the next day.

Ingredient Notes

• Chicken Breast or Thighs – Lean protein that absorbs fajita seasoning perfectly. Substitute with beef or shrimp if you’d like.
• Bell Peppers – Use a mix of red, yellow, and green for color and sweetness.
• Onions – White or yellow onions work best for that fajita flavor.
• Fajita Seasoning – Store-bought or homemade with chili powder, paprika, cumin, and garlic.
• Cheese – Shredded cheddar, Monterey Jack, or a Mexican blend melts beautifully.
• Optional Add-ins – Black beans, corn, or jalapeños for extra flavor.