Mexican Breakfast Casserole

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5 from 6 votes
If you are looking for a delicious Mexican breakfast idea, this Mexican Breakfast Casserole is to die for. It is exploding with flavor!
Prep: 20 minutes
Cook: 45 minutes
Total: 1 hour 5 minutes
Mexican Breakfast Casserole on a white dish.

This Mexican Breakfast Casserole is perfect if you are looking for a delicious Mexican breakfast idea. This to die for recipe is exploding with flavor and cheesy goodness!

Mexican Breakfast Casserole on a white dish.

This Mexican Breakfast Casserole is such a versatile recipe. It’s the perfect make ahead breakfast for busy mornings. It’s great for brunch served with this gorgeous Fruit Salad recipe or have it for dinner – my family loves breakfast for dinner!

For this easy Mexican Casserole all you will need is hash browns, eggs, milk, cheese, onion, pepper, and some spices. This Mexican egg dish comes together super easily and requires little prep work. For more easy Mexican inspired recipes check out this link!


MORE BREAKFAST CASSEROLE RECIPES YOU MIGHT LIKE

Tater Tot Sausage Breakfast Casserole | Slow Cooker Breakfast Casserole | Cinnamon Streusel French Toast Casserole

Mongolian pork on plate
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What We Love About This Recipe

  • Family Friendly: Perfect for a Sunday morn ing breakfast for you and your family to enjoy!
  • Leftovers: This casserole is perfect for leftovers you use it to make breakfast burritos or tacos!
  • Vegetarian: The recipe original is suitable for vegetarians!
Mexican Breakfast Casserole sprinkled with fresh herbs .

Ingredient Notes

  • Hash Browns: You will need 1-20oz bag of frozen hash browns, you could also use dehydrated or homemade.
  • Eggs: For this Mexican egg dish, you will need 12 large eggs or you alternatively use 1 1/4 cups of eggs whites.
  • Onion: A white or yellow onion will do for this recipe.
  • Green Chiles: You will need one can of green chiles.
  • Bell Pepper: For this recipe, it lists a red bell pepper but you can use whatever color pepper you have or prefer.

Equipment Needed

How to Make This Easy Mexican Casserole

These are the basic steps for making for this Mexican Breakfast Casserole. Please refer to the recipe card below for more detailed instructions.

Eggs and spices on a bowl and then in a casserole dish with vegetables and finally thee milk and cheese added.

STEP 1: PREP THE BAKING DISH

First, preheat the oven to 350 F degrees and spray your baking dish with cooking oil. And dice up the onion and pepper.

STEP 2: MAKING THE EGG MIXTURE

In a mixing bowl, store together eggs, milk, cumin, chili powder,house season blend, (or salt and black pepper) then add in the can of green chiles.

STEP 3: LAYERING THE CASSEROLE

Start by adding the hash browns to a baking dish, then spoon over the diced peppers and onions, and then pouring over the egg mixture. Lastly top with the shredded cheese layer.

STEP 4: BAKING THE CASSEROLE

Bake in the oven at 350 degrees for 45-55 minutes. You can check the doneness of the casserole by sticking in a knife. Finally, top with sliced avocado, cilantro, and salsa!

Prep and Storage Tips

HOW TO MAKE THIS RECIPE AHEAD OF TIME

Bake the night of time for about 35 minutes and allow to cool fully be putting in the fridge, then cook for another 15 minutes before serving!

HOW TO STORE THIS RECIPE

Store any leftovers you may have in the fridge in an air tight container, eat within 3-4 days.

HOW TO FREEZE THIS RECIPE

To freeze this casserole, cook and then allow to cool fully before wrapping in foil and freezing. Baking and freezing in aluminum pan would be the easiest option.

HOW TO REHEAT THIS RECIPE

If reheating from the fridge, microwave for 1-2 minutes or until hot. For reheating, out of the freeze, cook in a covered baking dish for about 15 minutes or until hot. Melt cheese under the broiler if adding more.

Frequently Asked Questions

WHAT ARE 5 COMPONENTS OF A CASSEROLE?

A casserole is typically comprised of a protein, starch, vegetable, sauce, and cheese.

CAN I SUBSTITUTE HOME FRIES IN PLACE OF HASH BROWNS?

Home fries will work perfect in place of hash browns and will be just as delicious.

CAN THIS RECIPE BE HALVED?

Yes, you can absolutely half this recipe by decreasing the ingredients in half and cooking in a 7×7 or 8×8 baking dish.

CAN I ADD MEAT TO THIS?

Adding meat such as chorizo or a sausage mixture would a delicious addition to this casserole.

Mexican Breakfast Casserole with a full casserole in a blue dish in the background.

Expert Tips for Making This Recipe

  • Tater Tots: Swap the hash browns for tater tots, cauliflower tots or even home fries!
  • Add a Protein: This recipe is originally vegetarian, but you could also add a meat of your choice such as chorizo.
  • Make Breakfast Burritos: You could make this casserole into breakfast burritos by wrapping into a flour tortilla and topping with fresh salsa and guacamole. This would also be a great way to use up any leftovers.
  • Add Extra Flavor: You can add even more flavor by adding taco seasoning to the hash browns before layering anything else on top.
  • Breakfast for Dinner: Simply add some ground beef sauteed in a large skillet and some black beans and serve for dinner with a side of tortilla chips.

What to Serve with Mexican Breakfast Casserole

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Mexican Breakfast Casserole on a white dish.
5 from 6 votes

Mexican Breakfast Casserole

Yield: 8 servings
Prep: 20 minutes
Cook: 45 minutes
Total: 1 hour 5 minutes
If you are looking for a delicious Mexican breakfast idea, this Mexican Breakfast Casserole is to die for. It is exploding with flavor!
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Ingredients

  • 20 ounce hash browns, frozen, thawed
  • 1 onion, small, diced
  • 1 red pepper, diced
  • 12 eggs
  • 1/2 cup milk
  • 4 ounces diced green chilies
  • 2 cups cheddar cheese, shredded
  • ½ tsp chili powder
  • ½ tsp cumin
  • House Season Blend, to taste

Instructions

  • Preheat oven to 350 and prepare a 9 x 13 baking dish with cooking spray.
  • Add hash browns to bottom of dish and sprinkle with house season blend.
  • Sprinkle the onion and red pepper over the potatoes. Add half the green chiles and about half of the cheese to the top.
  • In a bowl, mix the eggs, milk, chili powder, cumin and remaining green chiles.
  • Pour over the potato and vegetable mixture, then top with the rest of the cheese.
  • Bake at 350 degrees for 45-55 minutes. Check for doneness by inserting a knife in the center.

Expert Tips

  • Tater Tots: You could swap the hash browns for tater tots or even home fries!
  • Add a Protein: This recipe is originally vegetarian, but you could also add a meat of your choice such as chorizo.
  • Make Breakfast Burritos: You could make this casserole into breakfast burritos by wrapping into a flour tortilla and topping with fresh salsa and guacamole. This would also be a great way to use up any leftovers.

Estimated Nutritional Information

Calories: 289kcal | Carbohydrates: 17g | Protein: 18g | Fat: 17g | Saturated Fat: 8g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 5g | Trans Fat: 1g | Cholesterol: 277mg | Sodium: 296mg | Potassium: 424mg | Fiber: 2g | Sugar: 3g | Vitamin A: 1185IU | Vitamin C: 27mg | Calcium: 275mg | Iron: 2mg
The nutritional information provided are estimates. To learn more about how I calculate this information go to www.itisakeeper.com/about-its-a-keeper/privacy-disclosure-policies/
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Course: Breakfast, Brunch
Cuisine: Mexican
Keyword: bell peppers, breakfast casserole, casserole, cheese, egg, hash browns, mexican, mexican breakfast, mexican casserole

This recipe is my personal adaption of an ethnic inspired recipe. It is not intended to be an authentic recipe.  I’ve recreated this recipe because I enjoy the flavors and I want to encourage my readers to expand their tastes and try new flavor combinations. The recipe, ingredients and processes may have been adapted to make the recipe accessible for the average American. I have provided links to authentic versions of the recipe in the post above. I encourage you to visit these pages and learn more about the traditional version(s) of this recipe.

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2 thoughts on “Mexican Breakfast Casserole”

  1. 5 stars
    This tasted so amazing! Thanks a lot for sharing this super easy to make mexican breakfast casserole recipe! Fam really loves it! Will surely have this again! Highly recommended!

    Reply

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