Name: Creamy Chicken Fajita Casserole Recipe
Prep time: 15 min
Cook time: 55 min
Total time: 1 h 10 min
Cuisine: Tex-Mex
Ingredients: 3 chicken breasts; 2 bell peppers, seeded and sliced into strips (1 red, 1 green); 1/2 large onion, sliced into strips; 1/4 cup canned diced tomatoes and green chilies (Rotel recommended); 2 tablespoons taco seasoning, divided; 1 cup shredded cheese, divided (cheddar and Monterrey jack recommended); 8 oz cream cheese, softened; 1/4 cup heavy cream

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Introduction

This Creamy Chicken Fajita Casserole is a flavorful, low carb dish perfect for a comforting weeknight meal. Packed with tender chicken, sautéed peppers, and a creamy cheese sauce, it’s both keto-friendly and satisfying. Enjoy a twist on classic fajita flavors in an easy, baked casserole.

A close-up of a white oval baking dish filled with a cheesy baked casserole. The top layer is golden-brown melted cheese with some darker toasted spots, covering a mix of visible sliced red and green bell peppers. The casserole appears thick and creamy beneath the cheese layer. A spoon is lifting a scoop from the dish, showing the creamy texture with melted cheese and chunks of the cooked vegetables underneath. The dish sits on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

Ingredients

3 chicken breasts
2 bell peppers, seeds removed and sliced into strips (1 red, 1 green recommended)
1/2 large onion, sliced into strips
1/4 cup canned diced tomatoes and green chilies (such as Rotel)
2 tablespoons taco seasoning, divided
1 cup shredded cheese, divided (cheddar and Monterrey jack suggested)
8 oz cream cheese, softened
1/4 cup heavy cream

Instructions

Step 1: Preheat your oven to 350°F (175°C). Lightly season the chicken breasts with salt and pepper, then bake them for 20 to 25 minutes, or until no longer pink in the center.
Step 2: While the chicken bakes, heat a greased skillet over medium heat and sauté the sliced bell peppers, onion, and diced tomatoes with green chilies until the vegetables are tender. Transfer the cooked vegetables to a large mixing bowl.
Step 3: Remove the chicken from the oven and let it cool slightly. Chop it into bite-sized pieces and add to the bowl with the sautéed vegetables.
Step 4: Sprinkle 1 tablespoon of taco seasoning evenly over the chicken and vegetable mixture. Add half of the shredded cheese, all the softened cream cheese, and the heavy cream. Mix until everything is well combined.
Step 5: Add the remaining tablespoon of taco seasoning and stir again to incorporate the flavors fully.
Step 6: Pour the mixture into a casserole dish and sprinkle the remaining shredded cheese on top. Bake at 350°F (175°C) for 30 to 35 minutes, until the cheese is bubbly and golden.

Tips & Variations

Use different cheese blends like pepper jack or mozzarella for varied flavors.
Add a pinch of smoked paprika or cayenne pepper for a spicier kick.
Substitute the heavy cream with sour cream for a tangier texture.
If you prefer, use cooked rotisserie chicken to save time.
Serve with low carb tortillas or a fresh green salad to keep it keto-friendly.

Storage

Store any leftovers in an airtight container in the refrigerator for up to 3 days. Reheat portions in the microwave or oven until warmed through. For longer storage, freeze the casserole in a freezer-safe dish for up to 2 months, thawing overnight before reheating.

How to Serve

A white plate holds a single serving of a baked dish with one main layer that looks creamy and thick with a golden-brown toasted cheese topping. The dish contains visible pieces of cooked chicken and red bell pepper strips mixed in with the sauce, showing a soft, slightly chunky texture with some browned spots on the surface. The plate is on a white marbled textured surface, and in the background, there is a white baking dish filled with more of the same baked meal. Photo taken with an iphone --ar 4:5 --v 7

Serve this delicious recipe with your favorite sides.

FAQs

Can I use chicken thighs instead of breasts?

Yes, boneless skinless chicken thighs work well and may add extra moisture and flavor to the casserole.

Is this casserole suitable for a keto diet?

Absolutely. This recipe is low in carbohydrates and high in fat, making it perfect for keto and other low carb eating plans.