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chicken tortilla casserole in a white dish with green onions on top square image

Chicken Tortilla Casserole

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  • 2 skinless chicken breasts on bone (almost 2 lbs)
  • 1 Tbsp olive oil
  • 1 large white onion, chopped
  • 1 large green bell pepper, seeded and chopped
  • 1/8 tsp plus 1/2 tsp sea salt, divided
  • 1/2 tsp fresh ground black pepper, divided
  • 1 Tbsp ground cumin
  • 2 tsp chili powder
  • 1 1/2 tsp dried oregano
  • 4 cloves garlic, chopped
  • 2 jalapenos, seeded and chopped (include some seeds if you want some heat)
  • 2 cups unsalted diced tomatoes, with juices
  • 1 cup fresh or frozen corn kernels
  • 1 1/2 cup organic 2% milk
  • 2 tsp potato starch
  • olive oil cooking spray
  • 12 6-in corn tortillas, quartered
  • 6 oz organic, reduced-fat, Mexican cheese blend or half Jack cheese and half cheddar cheese
  • 3 scallions or green onions thinly sliced


  1. Boil chicken breasts until cooked through. Learn how to boil chicken breasts here or if you have an Instant Pot, learn how to use that here.
  2. While chicken is cooking, preheat oven to 350 degrees F. In a large skillet (you will definitely want to use a large skillet), heat oil. Add onion, bell pepper, 1/8 tsp sea salt, and 1/4 tsp black pepper. Cook for 12-15 minutes, stirring occasionally until onions are lightly browned and bell pepper is soft.
  3. Add cumin, chili powder, and oregano. Stir to combine. Add garlic and jalapenos and cook until garlic softens, stirring frequently.
  4. Add in tomatoes and corn and cook until heated thoroughly. This may take from 1 minute to 4 or 5 depending on fresh vs frozen corn used. Reduce heat to medium-low.
  5. Let chicken cool. Once cooled, chop or shred chicken into fine pieces.
  6. In a small bowl combine 2 tbsp milk and potato starch until combined. Stir in remaining milk to combine. Add to skillet and bring to a simmer, stirring constantly. The mixture will begin to thicken.
  7. Add chicken and cook until heated thoroughly. Add remaining sea salt and black pepper. Remove from heat.
  8. Mist a casserole dish (I prefer ceramic) with olive oil cooking spray. Arrange half of the tortillas on the bottom of the dish as you would with lasagna noodles, overlapping slightly. Top with half of the chicken mixture and half of the cheese. Add remaining tortillas in the same fashion, remaining chicken and cheese.
  9. Cover with foil and bake for approximately 35-45 minutes until heated throughout casserole. Allow casserole to rest for 5 minutes prior to serving. Add scallions/green onions on top of casserole.


Adapted from the November/December issue of Clean Eating Magazine (page 35)

  • Prep Time: 20 minutes
  • Cook Time: 35 minutes
  • Category: Main Dish
  • Method: Baked
  • Cuisine: Mexican