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side view of keto chicken fajita casserole with green onions and avocado sliced on top
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5 from 1 vote

Keto Chicken Fajita Casserole (Low Carb & Easy)

This Keto Chicken Fajita Casserole is an easy weeknight dinner that the whole family will love. Made with juicy chicken, gooey cheese, homemade fajita seasoning, and green peppers, this is a delicious casserole with simple ingredients.
Prep Time20 minutes
Cook Time12 minutes
Total Time32 minutes
Course: Chicken
Cuisine: Mexican
Servings: 6 servings

Ingredients

  • 1 tbsp avocado oil
  • 2 large chicken breasts
  • 4 bell peppers
  • 1 medium yellow onion
  • Taco seasoning mix
  • ¼ cup light cream cheese
  • 1 cup plain greek yogurt
  • 1 cup shredded cheddar cheese

Instructions

  • Preheat oven to 350 degrees F. 
  • In a large skillet or oven safe medium saucepan, heat the oil over medium heat. Cook chicken until fully cooked through then set aside.
  • In the same saucepan cook the onion for 3 minutes, then add in the bell peppers and cook to your liking. The cook time will depend if you like them crunchy or soft, but approximately 3-4 minutes is average.
  • Add the cooked chicken back to the pan and add the taco seasoning, cream cheese, and greek yogurt. Mix until fully combined.
  • Top with the shredded cheese and bake in the oven for 12-15 minutes until the cheese is bubbly.