Fajita Chicken Casserole Bake Recipe
Introduction
This Fajita Chicken Casserole Bake is a flavorful and easy one-dish meal perfect for busy weeknights. Packed with tender chicken, vibrant veggies, and a cheesy topping, it brings all the fajita favorites into a comforting casserole that everyone will love.

Ingredients
- 4 cups (approximately 600 g) shredded cooked chicken breast
- 2 cups (370 g) uncooked instant white rice
- 1 can (298 g) cream of chicken soup
- 1 cup (240 g) sour cream
- 1 cup (140 g) frozen diced onion and bell pepper blend
- 1 can (284 g) diced tomatoes with chilies, undrained
- 360 ml chicken broth
- 1 packet (32 g) fajita seasoning
- 1 bag (227 g) shredded Mexican-style cheese blend
Instructions
- Step 1: Lightly grease a 23×33 cm (9×13-inch) ovenproof dish with nonstick cooking spray.
- Step 2: In a large mixing bowl, combine shredded chicken, uncooked instant rice, cream of chicken soup, sour cream, frozen diced onion and bell pepper blend, undrained diced tomatoes with chilies, chicken broth, fajita seasoning, and half of the shredded cheese blend. Mix thoroughly until evenly incorporated.
- Step 3: Spread the prepared mixture evenly into the greased baking dish, smoothing the surface with a spatula.
- Step 4: Cover the dish with aluminum foil and bake in a preheated oven at 175°C (350°F) for 35 minutes.
- Step 5: Remove the foil, sprinkle the remaining cheese evenly over the top, and return to the oven. Bake uncovered for a further 10 minutes, until the cheese is melted and bubbling.
Tips & Variations
- For extra flavor, sauté the frozen onion and bell pepper blend before mixing to enhance their texture and taste.
- Substitute the chicken with cooked turkey or shredded pork if preferred.
- Add a handful of fresh cilantro or a squeeze of lime juice before serving for a bright finish.
- If you like it spicier, mix in some chopped jalapeños or use a hotter fajita seasoning.
Storage
Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, cover with foil and warm in a 175°C (350°F) oven until heated through, about 15-20 minutes. You can also microwave individual servings until hot.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use regular rice instead of instant rice?
Using regular rice will require more liquid and longer baking time. Instant rice ensures the casserole cooks evenly within the stated baking time.
Is this casserole freezer-friendly?
Yes, you can freeze this casserole before baking. Cover tightly and freeze for up to 3 months. Thaw in the refrigerator overnight before baking as directed.
PrintFajita Chicken Casserole Bake Recipe
This Fajita Chicken Casserole Bake is a comforting and flavorful one-dish meal that combines shredded chicken, instant rice, creamy soups, fajita seasoning, and melted Mexican cheese. Perfect for a busy weeknight, it offers a delicious, cheesy casserole packed with Tex-Mex flair and easy-to-prepare ingredients.
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour
- Yield: 6–8 servings 1x
- Category: Casserole
- Method: Baking
- Cuisine: Tex-Mex
Ingredients
Chicken and Rice Mixture
- 4 cups (approximately 600 g) shredded cooked chicken breast
- 2 cups (370 g) uncooked instant white rice
- 1 can (298 g) cream of chicken soup
- 1 cup (240 g) sour cream
- 1 cup (140 g) frozen diced onion and bell pepper blend
- 1 can (284 g) diced tomatoes with chilies, undrained
- 360 ml chicken broth
- 1 packet (32 g) fajita seasoning
Cheese
- 1 bag (227 g) shredded Mexican-style cheese blend, divided
Instructions
- Prepare the Bakeware: Lightly grease a 23×33 cm (9×13-inch) ovenproof dish with nonstick cooking spray to prevent sticking and ensure easy cleanup.
- Combine Ingredients: In a large mixing bowl, thoroughly combine the shredded chicken, uncooked instant rice, cream of chicken soup, sour cream, frozen diced onion and bell pepper blend, undrained diced tomatoes with chilies, chicken broth, fajita seasoning, and half of the shredded Mexican cheese blend until all ingredients are evenly incorporated.
- Transfer to Dish: Spread the prepared mixture evenly into the greased baking dish and smooth the surface with a spatula to ensure even cooking.
- Bake Covered: Cover the dish securely with aluminum foil and bake in a preheated oven at 175°C (350°F) for 35 minutes to allow the rice to cook and flavors to meld.
- Add Cheese and Finish Baking: Remove the foil, sprinkle the remaining cheese evenly over the casserole, and return the dish to the oven. Bake uncovered for an additional 10 minutes, or until the cheese is melted, bubbly, and lightly browned on top.
Notes
- Using instant rice shortens the baking time and ensures the rice cooks properly within the casserole.
- Frozen diced onion and bell pepper blend adds convenience and flavor, but fresh vegetables can be substituted if preferred.
- Adjust the fajita seasoning amount to suit your preferred spice level.
- For a creamier casserole, you can add a little more sour cream or chicken broth as needed.
- Leftovers can be refrigerated for up to 3 days and reheated in the oven or microwave.
Keywords: Fajita Chicken Casserole, Chicken Bake, Tex-Mex Casserole, Mexican Cheese Casserole, Easy Chicken Dinner

