DUMP AND BAKE CHICKEN FAJITA CASSEROLE (EASY ONE-DISH DINNER)

Name: DUMP AND BAKE CHICKEN FAJITA CASSEROLE (EASY ONE-DISH DINNER)
Prep time: 5 min
Cook time: 45 min
Total time: 50 min
Ingredients: 1 ½ lbs boneless skinless chicken breast (cut into 1-inch cubes or strips); 3 bell peppers (any color, sliced (about 3 cups)); 1 large onion (sliced); 1 ½ cups long grain white rice (uncooked); 1 can diced tomatoes with green chiles (10 oz (Rotel), undrained); 2 cups chicken broth; 1 packet fajita seasoning (or 3 tbsp homemade); 3 cloves garlic (minced); 1 cup shredded cheese (cheddar, Monterey Jack, or Mexican blend); Salt and black pepper (to taste); 2 tablespoons fresh cilantro (chopped, for garnish); 1 lime (cut into wedges, for serving)

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Dump and bake chicken fajita casserole is the easiest weeknight dinner you'll ever make. Just dump everything in one dish, bake, and serve.

Tender chicken, colorful bell peppers, fluffy rice, and melty cheese all bake together in one casserole dish. No browning meat, no sautéing veggies, no extra pots to clean.

Each bite delivers all the bold Tex-Mex flavor of classic chicken fajitas — smoky, savory, slightly spicy, and absolutely delicious. The rice soaks up all the flavorful juices for the perfect comforting meal.

It's perfect for busy weeknights, family dinners, or meal prep. Ready in about 45 minutes with minimal hands-on time.

Top with all your favorite fajita toppings and watch this casserole disappear. Let's discover why this dump and bake dinner deserves a spot in your weekly rotation.

WHY YOU WILL LOVE THIS RECIPE

Truly Dump and Bake: No browning, sautéing, or extra prep required — just mix everything together in one dish and bake straight in the oven.

One-Dish Cleanup: Everything cooks in a single casserole dish, making cleanup an absolute breeze after a long busy day.

Family-Friendly Flavor: Bold Tex-Mex flavors that kids and adults both love — customize the spice level to suit any palate.

Complete Meal in One Dish: Protein, vegetables, and rice all in one casserole — no need to make separate side dishes.

Budget-Friendly Dinner: Uses simple pantry staples and affordable ingredients to feed a family of 4-6 without breaking the bank.

Excellent for Meal Prep: Make ahead and store in the fridge for easy weekday lunches that reheat beautifully throughout the week.

INGREDIENTS

Boneless skinless chicken breasts, cubed
Long-grain white rice, uncooked
Red bell pepper, sliced
Yellow bell pepper, sliced
Green bell pepper, sliced
Yellow onion, sliced
Garlic cloves, minced
Diced tomatoes with green chilies (rotel)
Chicken broth
Taco or fajita seasoning
Olive oil
Black beans, drained and rinsed
Corn kernels (frozen or canned)
Shredded Mexican cheese blend
Salt and black pepper
Lime, fresh cilantro, sour cream, avocado (for serving)

DIRECTIONS

Step No.1: Preheat and prep the dish
Preheat oven to 425°F (220°C). Lightly grease a 9x13-inch baking dish with cooking spray or benefits of olive oil.

Step No.2: Combine the base ingredients
Add uncooked rice, chicken broth, diced tomatoes with green chilies, taco seasoning, olive oil, garlic, salt, and pepper to the baking dish. Stir well to combine.

Step No.3: Add chicken and vegetables
Top the rice mixture evenly with cubed chicken, sliced bell peppers, sliced onion, black beans, and corn. Toss gently to mix.

Step No.4: Cover and bake
Cover the dish tightly with aluminum foil and bake for 35 minutes until the rice is tender and the chicken is cooked through.

Step No.5: Add cheese and finish baking
Remove foil, sprinkle the entire surface with shredded Mexican cheese, and bake uncovered for another 8-10 minutes until cheese is melted and bubbly.

Step No.6: Garnish and serve
Let rest 5 minutes, then garnish with fresh cilantro, lime wedges, sour cream, and sliced avocado. Serve hot directly from the dish.

TIPS FOR SUCCESS

Cut Chicken Evenly: Cut chicken cubes uniformly to about 1-inch pieces so everything cooks evenly throughout the casserole.

Use Long-Grain Rice: Long-grain white rice works best — instant or short-grain rice will turn mushy in this dump and bake chicken fajita casserole.

Cover Tightly: Make sure the foil seals the dish completely so the rice cooks properly in the steam created during baking.

Check Liquid Ratio: Make sure to use exactly the recommended chicken broth — too little and rice won't cook, too much and the casserole will be soupy.

Don't Skip the Resting Time: Let the casserole rest 5 minutes after baking — this allows the rice to fully absorb any remaining liquid and set perfectly.

Add Toppings Fresh: Always add cilantro, sour cream, and avocado after baking to keep them fresh and bright in flavor.

VARIATIONS

Beef Fajita Casserole: Replace chicken with thinly sliced flank steak or ground beef for a hearty steak-style version.

Shrimp Fajita Casserole: Use large shrimp instead of chicken — add them in the last 15 minutes of baking to prevent overcooking.

vegetarian diet Version: Skip the chicken and add extra black beans, pinto beans, and sautéed mushrooms for a hearty plant-based meal.

Spicy Version: Add diced jalapeños, extra chipotle chili powder, or a dash of hot sauce for a fiery kick.

Low-Carb Cauliflower Rice: Replace white rice with riced cauliflower and reduce broth to ½ cup for a low-carb ketogenic diet-friendly version.

Cheesy Loaded Version: Mix cream cheese into the rice mixture for an extra creamy, indulgent casserole the whole family will love.

SERVING AND STORAGE

Serving

Serve the casserole hot, topped with fresh cilantro, sour cream, sliced avocado, and lime wedges. Pair with warm flour tortillas, a simple green salad, or tortilla chips.

Storage

Store leftovers in airtight containers in the fridge for up to 4 days. Reheat in the microwave or oven at 350°F until warmed through. Freezes well for up to 2 months.

FAQ

Can I use brown rice instead of white?

Yes, but you'll need to add an extra cup of broth and bake covered for 60-70 minutes to fully cook the rice.

Can I make this dump and bake casserole ahead?

Yes, assemble everything except the cheese, cover, and refrigerate for up to 24 hours. Bake as directed when ready.

What if my rice is still hard after baking?

Add ¼ cup more broth, cover tightly, and bake another 10-15 minutes until rice is fully tender.

Can I use rotisserie chicken?

Yes, use 3 cups of shredded rotisserie chicken and add it during the last 15 minutes of baking to prevent dryness.

Can I freeze this casserole?

Yes, cool completely, wrap tightly, and freeze for up to 2 months. Thaw overnight in the fridge before reheating.

This dump and bake chicken fajita casserole is the kind of dinner that saves busy weeknights. It's effortless, filling, and totally satisfying.

The combination of seasoned chicken, sweet peppers, and melty cheese is pure comfort food magic. For more easy weeknight meals, see our 15 easy dinner recipes.

Make it once and watch it become a regular request from your family. Looking for more Tex-Mex inspiration? Try our 15 Mexican dinner recipes.

Add it to your weekly meal rotation for stress-free dinners. Browse more meal prep ideas in our 19 easy meal prep ideas.