Chile Relleno Casserole has all the delicious flavor of classic chile rellenos, but in the easiest baked casserole form.

Chile relleno (pronounced chih lee reh YEH no) is a roasted poblano pepper stuffed with cheese, dipped in an egg batter, and fried. It’s a classic Mexican dish, but since it can take more time to make, we wanted to share a casserole version that is just as delicious but quick and simple!

What makes this recipe so good is that smoky poblano flavor paired with gooey cheese, then the light, fluffy topping that holds everything together. Serve it with salsa and your favorite toppings for an easy weeknight meal, brunch dish, or potluck favorite.

If you love Mexican inspired comfort food like this, be sure to try Chicken Enchilada Casserole, Mexican Lasagna, Cheese Quesadillas, and Huevos Rancheros.

Why we think you’ll love it:

  • All the flavor with half the work! This chile rellenos casserole version has all the same great elements without the fuss of frying individual peppers. 
  • Feeds the masses. This easy chile relleno casserole takes a traditional chile relleno and turns it into a family friendly casserole perfect for dinner!
  • Low carb. It is naturally low-carb-ish compared to many casseroles and still filling.

Chile Relleno Casserole Ingredients

  • Poblano chile peppers (6): Provides mild heat and smoky flavor. To save time, use canned whole green chiles. Simply drain, slice, and lay them in the baking dish.
  • Monterey Jack cheese (8 ounces, shredded): Melts smoothly and adds creamy richness. Or use Pepper Jack cheese or cheddar cheese.
  • Eggs (3): Creates structure and help bind the casserole.
  • Milk (¼ cup): Adds moisture and lightens the texture.
  • Cornmeal (⅔ cup): Gives subtle texture and body.
  • Baking powder (½ teaspoon): Helps the egg mixture rise slightly for a fluffy finish.
  • Salt (½ teaspoon): Enhances the flavors.
  • Black pepper (½ teaspoon): Adds gentle warmth.
  • Optional toppings: Adds freshness and extra flavor when serving.
  • Favorite toppings Homemade Salsa, Salsa Verde, a dollop of sour cream, fresh cilantro, Pico de Gallo, and sliced green onions.

How to Make Chile Relleno Casserole

PEPPERS. Roast the chile peppers by broiling them in the oven until the skin is blackened.

Add the chilis to a Ziploc and allow them to steam for 15 minutes.

Diced roasted poblano peppers layered on the bottom of a casserole dish.

PEEL. Peel the blackened skin off the peppers, then remove the seeds and chop the chilis into large pieces. Spray an 8×8 baking dish with nonstick cooking spray.

Spread the chili peppers in a single layer and sprinkle the cheese on top.

PREP. Preheat the oven to 450°F.

BATTER. In a medium-sized bowl, whisk the large eggs, milk, cornmeal, baking powder, salt, and black pepper together until well combined.

BAKE + SERVE. Pour the egg mixture over the chilis and cheese and bake for 15-20 minutes until it is light golden brown on top.

Serve this chili relleno casserole immediately with your favorite salsa and any of your favorite toppings.

A square slice of chile relleno casserole topped with sour cream and salsa.

Kristyn’s Recipe Tips

  • Roast peppers until fully blistered, and steam in a bag for easy peeling.
  • Drain excess moisture from the peppers before layering them in the casserole.
  • Do not overbake! The egg mixture may become dry, affecting the texture of the casserole.
  • We like to serve ours with Homemade Salsa, Salsa Verde, a dollop of sour cream, fresh cilantro, Pico de Gallo, and sliced green onions.
5 from 38 votes

Chile Relleno Casserole Recipe

Chile relleno casserole layers roasted poblano peppers under a fluffy egg topping for an easy twist on a Mexican classic.
Servings: 8
Prep: 20 minutes
Cook: 20 minutes
Total: 40 minutes

Video

Ingredients 

  • 6 poblano chile peppers
  • 8 ounces Monterey Jack cheese, shredded
  • 3 eggs
  • ¼ cup milk
  • cup cornmeal
  • ½ teaspoon baking powder
  • ½ teaspoon salt
  • ½ teaspoon black pepper
  • toppings, if desired

Instructions 

  • Roast the chile peppers by broiling them in the oven until the skin is blackened.
  • Add the chilis to a Ziploc and allow them to steam for 15 minutes.
  • Preheat the oven to 450°F.
  • Peel the blackened skin off the peppers, then remove the seeds and chop the chilis into large pieces.
  • Spray an 8×8 casserole dish with nonstick cooking spray. Spread the chili peppers in a single layer and sprinkle the cheese on top.
  • In a medium-size bowl, combine the eggs, milk, cornmeal, baking powder, salt, and black pepper.
  • Pour the egg mixture over the chili and cheese. Bake for 15-20 minutes until it is light golden brown on top.
  • Serve immediately with your favorite salsa and any of your favorite toppings.
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Notes

Recipe Tips.
  • Roast peppers until fully blistered, and steam in a bag for easy peeling.
  • Drain excess moisture from the peppers before layering them in the casserole.
  • Do not overbake! The egg mixture may become dry, affecting the texture of the casserole.
  • We like to serve ours with Homemade Salsa, Salsa Verde, a dollop of sour cream, fresh cilantro, Pico de Gallo, and sliced green onions.
Prep ahead of time. Prep the ingredients to save time. Roast, peel, and slice the peppers the day before and store them in a container in the fridge. Shred the cheese and store it in its own container. Measure out the cornmeal, baking powder, salt, and pepper into a container and keep it on the counter. Don’t add the eggs until you are ready to whip up the dish and bake. 
A make ahead meal. To bake the casserole but save it for later, let it cool completely before covering it, and then store it in the refrigerator. To freeze, wrap tightly with plastic wrap and again with aluminum foil before storing it in the freezer.
Store. Dish into an airtight container (all together or individually) and store for about 4 days in the fridge or in the freezer for up to 3 months. Thaw, if needed, and reheat in the microwave. Larger portions can be reheated in the oven. 

Nutrition

Calories: 203kcal, Carbohydrates: 15g, Protein: 11g, Fat: 11g, Saturated Fat: 6g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 3g, Trans Fat: 0.01g, Cholesterol: 88mg, Sodium: 345mg, Potassium: 283mg, Fiber: 3g, Sugar: 3g, Vitamin A: 650IU, Vitamin C: 72mg, Calcium: 251mg, Iron: 1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Recipe FAQ

Prep ahead of time?

Prep the ingredients to save time. Roast, peel, and slice the peppers the day before and store them in a container in the fridge. Shred the cheese and store it in its own container. Measure out the cornmeal, baking powder, salt, and pepper into a container and keep it on the counter. Don’t add the eggs until you are ready to whip up the dish and bake. 

A make ahead meal?

To bake the casserole but save it for later, let it cool completely before covering it, and then store it in the refrigerator. To freeze, wrap tightly with plastic wrap and again with aluminum foil before storing it in the freezer.

How to store?

Dish into an airtight container (all together or individually) and store for about 4 days in the fridge or in the freezer for up to 3 months. Thaw, if needed, and reheat in the microwave. Larger portions can be reheated in the oven.  

This recipe was first shared March, 2023.

About Kristyn

Kristyn Merkley is a published cookbook author, wife, mom of six, and major food enthusiast! For the past 15 years, she has been sharing foolproof, family-friendly recipes—each one tested in her kitchen—that anyone can master. As a seasoned recipe creator, she loves making cooking simple, stress-free, and totally doable for everyone!

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5 from 38 votes (2 ratings without comment)

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50 Comments

  1. Nancy says:

    5 stars
    Looks delicious, I love them. Will definitely try.

  2. Sherry Wylie says:

    This casserole sounds similar to one I have made for years but I use canned chopped Ortega chilis. Everyone who eats it loves it. I plan on making this casserole the next time I go to my Dad’s as he loves chili rellenos.

    1. Lil'Luna Team says:

      Hope you enjoy the casserole!

  3. Kimberly D. Coto says:

    5 stars
    I am definitely trying this recipe!!

  4. Katherine Martin says:

    5 stars
    What a great and easy way to have chili rellenos!! We definitely will have them more often now!
    Thank you so much!!

  5. Marsha McTigue says:

    5 stars
    Another family favorite, my granddaughter loves it.

  6. Denise Jensen says:

    5 stars
    This is such a fun spin on Chile Relleno’s!

  7. Emma Branscomb says:

    5 stars
    Absolutely wonderful! My husband had introduced me to chili rellanos a few years ago.
    I fell in love! This is an easy way to continue that love at home.

    1. Lil'Luna Team says:

      Yes, most definitely!

  8. Mark Nalepa says:

    5 stars
    This looks great! My mom loves chile relleno, but this casserole looks so much easier. I can’t wait to try it.

    1. Lil'Luna Team says:

      Hope you enjoy!

  9. Leslie says:

    Tha nk you for including makeahead tips. Those are always welcome.

    1. Lil'Luna Team says:

      You’re welcome!

  10. Peggy Tuttle says:

    5 stars
    This was easy and delicious. Would make it again