Mexican Breakfast Casserole
Start your morning with bold flavors and hearty ingredients in this fiesta Mexican Breakfast Casserole.
Packed with crispy hash browns, diced peppers, green chilies, and a blend of cheddar cheese and spices, this casserole brings a zesty twist to your breakfast table. You’ll add this Recipe for Breakfast to your favorites!

Easy to prepare and loaded with hearty ingredients, it’s a crowd-pleasing recipe that brings a festive touch to your breakfast spread!
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Can Breakfast Casserole Be Frozen
Yes, breakfast casseroles like this Mexican breakfast casserole can be frozen, either before or after baking, with proper preparation.
To freeze it before baking, assemble the casserole in a freezer-safe dish, cover it tightly with plastic wrap and aluminum foil, label it with the date and freeze for up to 2-3 months.
When ready to bake, thaw it overnight in the fridge and bake as directed, adding a few extra minutes if needed.
To freeze after baking, let the casserole cool completely, then portion it into individual servings or freeze the entire dish.
Wrap it tightly in plastic wrap and foil or store it in airtight containers.
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Reheat portions directly from frozen or after thawing in the fridge.

Freezing helps preserve the flavor and texture, making it a convenient option for busy mornings!
Mexican Style Breakfast Casserole Ingredients
For the full ingredient measurements, scroll on down to the Mexican breakfast casserole recipe card.
Jump into Mexican Recipes if you’re craving more Mexican flavor!
- frozen hash browns
- onion
- red pepper
- eggs
- milk
- green chilies
- cheddar cheese
- chili powder
- cumin
- salt and pepper
How to Make Mexican Breakfast Casserole
Preheat the oven to 350°F and grease a 9×13-inch baking dish.
Spread hash browns evenly in the dish, seasoning with salt and pepper.
Layer onions, red peppers, half the green chiles, and half the cheese over the potatoes.
In a bowl, whisk together eggs, milk, chili powder, cumin, and the remaining green chiles.
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Pour the egg mixture over the potato layers, then sprinkle the remaining cheese on top.

Bake for 45-55 minutes or until a knife inserted in the center comes out clean.
More Delicious Breakfast Casseroles
Explore more delicious breakfast casseroles like this Mexican breakfast casserole packed with hearty ingredients and flavorful combinations to start your day right!
- Farmers Casserole
- Eggs Benedict Casserole
- Weekend Breakfast Casserole Recipe
- Cheesy Hashbrown Potato Casserole
- Easy Overnight French Toast Casserole
- Paleo Breakfast Casserole with Chicken
- Biscuit Sausage Mushroom Casserole
- Sausage Hashbrown Breakfast Casserole

Mexican Breakfast Casserole
Start your morning with bold flavors and hearty ingredients in this fiesta Mexican Breakfast Casserole.
Ingredients
- 1 bag (20 oz) frozen hash browns, thawed
- 1 small onion, diced
- 1 red pepper, diced
- 12 eggs
- 1⁄2 cup milk
- 1 can (4 oz) diced green chilies
- 2 cups shredded cheddar cheese
- ½ tsp chili powder
- ½ tsp cumin
- salt and pepper
Instructions
- Preheat the oven to 350°F and grease a 9x13-inch baking dish.
- Spread hash browns evenly in the dish, seasoning with salt and pepper.
- Layer onions, red peppers, half the green chiles, and half the cheese over the potatoes.
- In a bowl, whisk together eggs, milk, chili powder, cumin, and the remaining green chiles.
- Pour the egg mixture over the potato layers, then sprinkle the remaining cheese on top.
- Bake for 45-55 minutes or until a knife inserted in the center comes out clean.
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Nutrition Information:
Yield: 8 Serving Size: 1Amount Per Serving: Calories: 258Total Fat: 18gSaturated Fat: 8gTrans Fat: 0gUnsaturated Fat: 8gCholesterol: 308mgSodium: 379mgCarbohydrates: 6gFiber: 1gSugar: 3gProtein: 17g
Nutrient values are only estimates provided by online calculators. Various factors can change the nutritional information in any given recipe.