Cheesy Chicken Chili Relleno Casserole

I think casseroles are the most fabulous of culinary creations! What’s not to love about a casserole??? They’re (typically) easy clean-up & literally an all-in-one meal; meat, cheese, & veggies in one gloriously convenient slice 😀 . Sure, sometimes I might dress up a casserole with a nice tossed salad, but it’s not at all necessary. PLUS, casseroles are almost always better the next day & we always have plenty leftover to enjoy for next day lunch (MAJOR BONUS).

I’ve been playing with the idea of creating a chili relleno recipe for awhile now, & decided today was the day to make it happen. I thought about creating a more traditional chili relleno (stuffing ingredients into the chili), but thought it might be interesting to create a casserole instead. So, that’s just what I’ve done.

Thankfully the outcome of today’s kitchen experimentation was SUCCESSFUL! I’m so very happy to share this with you all this evening & believe me, if you choose to try this recipe, you won’t be disappointed! 😀

Cheesy Chicken Chile Relleno Casserole


  • 3-4 boneless, skinless chicken breasts
  • 4, 4oz. cans of whole chilies
  • 1 cup sour cream
  • 1 small, finely diced onion
  • 1, 2-cup bag of shredded cheddar cheese
  • 8 oz of sliced pepper jack cheese
  • 1 tsp salt
  • pepper to taste
  • red pepper flakes (optional)


  1. Boil chicken breasts until fully cooked.
  2. Preheat oven to 350 degrees.
  3. Spray an 8×8 casserole dish with nonstick cooking spray.
  4. Once chicken is cooked, shred into pieces (I use my food processor for this task).
  5. Place shredded chicken, sour cream, onion, 1 cup of shredded cheddar cheese, salt & pepper into a mixing bowl & mix all ingredients well.
  6. Remove chilies from the can. Slice open each chili pepper.
  7. Line the bottom of the casserole dish with 1 layer of chilies (it took 6 chilies to cover the bottom of my dish).
  8. Next, spoon half of the chicken mixture on top of the chilies & spread to edges of the casserole dish.
  9. Top the chicken mixture with 4 slices of pepper jack cheese.
  10. Repeat the layering process (chilies, chicken mixture, pepper jack cheese).
  11. Lastly, top the entire casserole with the remaining cup of shredded cheddar cheese.
  12. Bake for 30 minutes.
  13. Cut into slices, sprinkle with red pepper flakes (optional) & ENJOY! 😀





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