Chicken Fajita Casserole

Seasoned chicken is smothered with peppers, onions and cheese in this easy Chicken Fajita Casserole! This keto meal is ready in 30 minutes and is under 4 net carbs!

Chicken Fajita Casserole

This recipe features fresh chicken breasts seasoned with taco seasoning, flavorful peppers and onions and melty cheese! This easy keto dinner is the perfect weeknight dinner recipe. This low carb recipe is ready in 30 minutes, only requires one pan and is under 4 net carbs! Even your pickiest eaters will love this meal. As a bonus, this recipe is also gluten free! So try this healthy keto recipe for dinner tonight!

Ingredients in Keto Chicken Casserole

As always, here is a quick overview of the ingredients used in our Mexican Chicken Casserole. For the complete recipe, just scroll to the bottom of the page. 

  • Chicken breast- you could also use rotisserie chicken or this Crock Pot Salsa Chicken
  • Olive oil, Taco seasoning- try this homemade keto taco seasoning
  • Bell peppers and onion
  • Shredded cheese- cheddar, pepper jack, mozzarella or a Mexican blend
  • How do I make this Mexican chicken casserole recipe?

    First, preheat your oven to 400 degrees F. Grease a casserole dish and add the chicken breasts. Drizzle the chicken with olive oil and add the taco seasoning. Toss the chicken in the oil and seasonings so that it is evenly coated.

    Add your peppers, onions and cheese. Bake for 20 minutes covered with foil. After 20 minutes remove the foil and return to the oven and bake for 10 more minutes, or until your chicken is fully cooked. Now, enjoy!

  • Tips for the best Mexican Chicken Casserole

    • Don’t skimp on the seasoning! You want all of the chicken to be well seasoned.
    • If you want a little more spice, you can add the taco seasonings to your veggies as well.
    • The veggies are not sauteed before they are added to this dish, so they retain a little crunch. If you prefer your peppers and onions to be a little bit softer, I would lightly saute them before adding to the casserole dish

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