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This cheesy fajita chicken casserole bake is my go-to when I crave the punchy flavors of Tex-Mex without a pile of dishes. Layers of savory shredded chicken, peppers, and a creamy base come together for a one-pan meal that feeds a crowd and disappears fast at the dinner table.
Ingredients
- Shredded cooked chicken breast: Contributes protein and heartiness. Use rotisserie chicken for quick prep and moist texture
- Uncooked instant white rice: Soaks up all that savory goodness. Opt for a brand that cooks fluffy and evenly
- Cream of chicken soup: Creates a velvety base. Choose low-sodium if you prefer less salt
- Sour cream: Adds creamy tang and balances the spices. Full-fat works best for a rich texture
- Frozen diced onion and bell pepper blend: Delivers fajita flavor with total convenience. Look for blends with colorful peppers
- Diced tomatoes with chilies: Provides juicy tartness and a little heat. Go for fire-roasted for extra flavor
- Chicken broth: Keeps rice tender and the casserole moist. Homemade or low-sodium boxed work equally well
- Fajita seasoning: Supplies signature Tex-Mex zing. Use your favorite packet or a homemade blend
- Shredded Mexican-style cheese blend: Gives melty golden topping. Monterey Jack or cheddar blends melt best
Step-by-Step Instructions
- Prep the Baking Dish:
- Coat a 23 by 33 centimeter ovenproof dish evenly with nonstick spray for easy cleanup and to prevent sticking
- Mix the Casserole Base:
- Combine your shredded chicken, instant rice, cream of chicken soup, sour cream, frozen onions and peppers, undrained tomatoes with chilies, chicken broth, fajita seasoning, and half the cheese in a big bowl. Mix until all ingredients are distributed without dry pockets or clumps
- Assemble in Pan:
- Spread the filling into your prepared baking dish. Use a spatula to ensure the mixture is in an even layer which is important for even cooking
- Cover and Bake First:
- Seal the dish with foil and slide into a preheated oven at 175 degrees Celsius. Bake for 35 minutes so the rice cooks through and absorbs all the flavors. Do not skip keeping the casserole sealed for the first bake so moisture can steam the rice properly
- Finish with Cheese on Top:
- Take off the foil layer. Sprinkle the rest of the cheese across the top. Return to the oven for 10 additional minutes. Watch for the cheese to melt and begin bubbling with golden spots. This is where the magic happens
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Storage Tips
Let your casserole cool completely before covering tightly with foil or plastic wrap. It keeps up to three days refrigerated and reheats well in the oven or microwave. To freeze, wrap individual servings for simple lunchbox meals later. Add a splash of broth before reheating to refresh the creamy texture
Ingredient Substitutions
No chicken on hand? Try leftover turkey, rotisserie meat, or even cooked ground beef. You can swap cream of chicken for cream of mushroom or use Greek yogurt instead of sour cream. For extra veggies, toss in corn or zucchini, or mix up the cheese with a sharp cheddar blend
Serving Suggestions
Spoon big helpings onto plates and garnish with fresh cilantro or diced avocado. Serve with warm flour tortillas, side salad, or just tortilla chips for an easy weeknight dinner. This casserole is hearty enough to stand alone but shines with fresh toppings like lime wedges or sliced jalapeños
Tex-Mex Roots
Fajita flavors draw from the traditional grilled meats and peppers that define Tex-Mex cuisine. Baking them into a casserole lets the flavors meld beautifully while nodding to classic home-style comfort favorites. This recipe transforms steak house sizzle into a cozy family meal
Frequently Asked Questions
- → Can I use pre-cooked rice for this casserole?
While the recipe calls for uncooked instant rice, you can use pre-cooked rice. Adjust the liquid amounts slightly or reduce cooking time to prevent it from becoming too soft.
- → What type of chicken works best for this dish?
Shredded cooked chicken breast is ideal, but you can also use rotisserie chicken or leftover chicken from other meals. Ensure it is well-seasoned for additional flavor.
- → Can I make this casserole ahead of time?
Yes, you can assemble the casserole ahead and store it in the refrigerator for up to 24 hours before baking. Add a few extra minutes to the cooking time if baking straight from the fridge.
- → How can I make this dish spicier?
To increase the spice level, use a spicier fajita seasoning, add diced jalapeños, or mix in extra chili powder or hot sauce before baking.
- → Can I use a cheese substitute for a dairy-free version?
Yes, you can use a dairy-free cheese alternative and replace sour cream with a non-dairy sour cream or coconut cream for a vegan-friendly version.