Chile Relleno Casserole is full of whole green chiles, a fluffy egg batter, and lots of cheesy goodness. It’s an easy breakfast with flavors the entire family will love!

My grandma had several go-to recipes she would make for our big family brunch get-togethers.
This cheesy chile relleno casserole is one of them.
I’ve never been a big fan of chiles or peppers, but oh man, I love them in this dish!
This recipe works because it’s:
- Only a few ingredients. You’ll only need 6 ingredients to make this recipe, and most of them are pantry staples.
- Easy to make. You will have to plan enough time for baking, but the actual prep work is very minimal.
- Full of flavor. The chiles give this casserole just the right amount of kick.
- Perfect for a crowd! This casserole serves 12 and is perfect for your next holiday brunch or family breakfast.
Step-By-Step Instructions
PREHEAT your oven to 350 degrees.
SLICE 16 ounces of Monterey Jack (or Colby Jack) cheese.

PLACE a layer of 6 drained whole green chiles on the bottom of a greased 9×13 baking dish.

TOP the chiles with a layer of the cheese slices. Then add 6 more chiles on top of the cheese slices and finish with the remain cheese.

BEAT together 2 eggs, 3 tablespoons of flour, and 1 (12 ounce) can of evaporated milk.

POUR the mixture over the layers of cheese and chiles.

COVER the pan with foil and bake for 25 minutes at 350 degrees.
REMOVE the pan from the oven and pour 1 (8 ounce) can of tomato sauce evenly over the top of the casserole.

RETURN to the oven uncovered to bake for another 20-25 minutes.
ALLOW the casserole to rest for 5 minutes to firm up, then serve.
Recipe Tips and Substitutions

If you’d like to make this recipe even easier, try using shredded cheese instead of the blocks.
The original recipe calls for Monterey Jack or Longhorn cheese. I prefer Colby Jack, but you can use any variation you like, even cheddar.
Whole green chiles come in various sizes of cans. You’ll want at least 12 to make this dish. If you can find that amount in a can smaller than 27 ounces, you may want to buy that one. Or you can just add more chiles to the dish!
I prefer this dish to have a mild taste, so I choose mild chilis. If you’d like a spicier flavor, go for the hot version.
If you don’t have these ingredients on hand or just don’t like them, try these:
This casserole will firm up as it rests. Make sure to give it some time to cool before you serve.
More Like This

Looking for more delicious breakfast recipes? You’ll love these!
- Butterscotch Overnight Sticky Buns
- German Oven Pancakes
- Pumpkin Pancakes
- Raspberry Pastry Braid
- Broccoli and Ham Quiche
FAQs

Chile Relleno is a Mexican dish that consists of a whole chile stuffed with meat or cheese and then breaded, fried, and served with a sauce.
This casserole is like several chile rellenos in one pan and instead of being fried, they’re baked in an omelet mixture.
Yes, it can, although I’ve never tried it.
Several other cooks have tried it both with the uncooked casserole and the cooked version. I personally would bake it first and then freeze it.
Yes, but don’t bake it ahead of time!
If you do prep it ahead of time, I would suggest just doing it the night before and keeping it covered in the refrigerator. Then bake it the next day so it’s as fresh as possible.
I hope your family loves this chile relleno casserole recipe! If you make it, be sure to take a picture and tag me on Instagram with @ashcroftfamilytable and use the hashtag #ashcroftfamilytable!
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Cheesy Chile Relleno Casserole
Ingredients
- 16 ounces Colby Jack cheese, or Monterey Jack
- 12 canned whole green chiles, drained
- 2 eggs
- 3 Tablespoons flour
- 12 ounces canned evaporated milk
- 8 ounces canned tomato sauce
Instructions
- Preheat your oven to 350 degrees.
- Slice Colby Jack cheese into even pieces.
- Place a layer of 6 whole green chiles on the bottom of a greased 9×13 baking dish.
- Top the chiles with a layer of the cheese slices. Then add 6 more chiles on top of the cheese slices and finish with the remaining cheese.
- Beat together eggs, flour, and evaporated milk. Pour the mixture over the layers of cheese and chiles.
- Cover the pan with foil and bake for 25 minutes at 350 degrees.
- Remove the pan from the oven and pour tomato sauce evenly over the top of the casserole.
- Return to the oven uncovered to bake for another 20-25 minutes.
- Allow the casserole to rest for 5 minutes to firm up, then serve.