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Home / Recipes / Breakfast / Keto Mexican Breakfast Casserole

Keto Mexican Breakfast Casserole

July 27, 2019 by Keto Cooking Christian 2 Comments

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Low carb breakfast gets a twist with this flavorful and slightly spicy chorizo, poblano pepper and cheese casserole! You don't want to miss out on this one!

Mexican Breakfast Casserole - Keto:Low Carb

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Chorizo gives so much flavor to this casserole, along with the other star of the show: poblano peppers, which are roasted to give them extra flavor.

This low carb breakfast casserole is easy to make and is bursting with so much flavor, your family will be requesting this one over and over.

If you love poblano peppers, you might also like these Stuffed Poblano Peppers, Creamy Poblano Chicken, Chorizo & Pepper Cauliflower Rice or Poblano and Cheese Stuffed Meatloaf recipes. Each one has a unique savory and robust poblano flavor.

Not only is this Mexican casserole mouth watering delicious, it is so colorful, just perfect to serve at a brunch! And it also freezes beautifully, so you can freeze your leftovers and have plenty for later.

What's in Keto Breakfast Casserole

  • Eggs
  • Ground chorizo sausage
  • Cheddar cheese
  • Poblano peppers
  • Onion 
  • Diced tomatoes
  • Heavy cream
  • Garlic salt
  • Cayenne pepper
  • Fresh cilantro
  • Queso fresco
  • Fresh avocado

*Exact measurements are listed in the recipe card below.

How to Make Mexican Breakfast Casserole

Turn the oven on broil.  Place the poblano peppers, 1 large or 2 medium, on a sheet pan lined with foil and lightly coat in olive oil.

Poblano and Cheese Stuffed Meatloaf - Keto and Low Carb

Roast them in the oven until the skins are charred.  Remove and place in a glass bowl and cover with plastic wrap for a few minutes.  This will make the skins much easier to peel off.  

Creamy Poblano Chicken - Keto and Low Carb

Then, peel the skins, remove the seeds, and chop. Turn the oven temperature down to 350F.

Creamy Poblano Chicken - Keto and Low Carb

Cook the chorizo sausage in a skillet until browned.  

While the chorizo is browning, add the eggs to a mixing bowl and beat for 2 minutes using a hand mixer, immersion blender or hand whisk.

Drain the chorizo, remove and add to the bowl with the eggs.  

Sauté the onions for a few minutes, then add to the egg mixture along with the remaining ingredients, reserving 1 cup of the shredded cheese.

Pour into a 9" x 13" casserole baking dish that's been sprayed with non-stick spray.  Top with the remaining shredded cheese.

Bake for 30-35 minutes or until the eggs have set.

Allow to cool slightly before cutting into. 

Top with more chopped fresh cilantro, sliced avocado and crumbled queso fresco before serving.

How to Freeze Leftover Keto Mexican Casserole?

With this casserole, because it serves 8, you will have plenty leftover. When doing Keto meal prep, that's exactly what you want!  You can store your leftovers in airtight containers in the fridge for a few days, or freeze for up to several months.

If you're looking for another Keto breakfast recipe that's easy to take on the go, try this Low Carb Breakfast Burrito!

Substitutions Used in Low Carb Breakfast Casserole

  • This Keto Mexican casserole recipe calls for you to roast the poblanos first, which gives them a lot of extra smoky flavor. Alternatively, you can dice and sauté in a skillet instead.
  • Mexican four-cheese cheddar mix is perfect for this casserole, but you can use pepper jack, Monterey jack, Colby or any other cheese that melts well with a milder flavor.
  • One of the key steps to this low carb breakfast casserole is to whip some air into the eggs to make them fluffier. But you can certainly skip this step if you'd like. It will end with a little more dense texture but the flavor will not be compromised. You can also whip them up in a blender, if you don't have a hand mixer or immersion blender.
  • Queso fresco (which means "fresh cheese"), is crumbled over the top of this casserole.  If you've never used queso fresco before, it's very similar to a feta cheese, in that it's a semi-soft cheese that crumbles very easily. If you can't find queso fresco, you can use feta cheese or any Mexican crumbling cheese.
  • If you don't like or can't find chorizo, you can use any ground Keto-friendly sausage that you like.
  • You can also replace the poblano with red, yellow or orange roasted bell peppers. You can even add in a few sautéed jalapeño peppers.

Is Mexican Breakfast Casserole Keto?

This version of Mexican casserole is perfect for a quick and easy Keto or low carb breakfast recipe. Eggs, sausage and cheese are all Keto staples. Make sure you check the label on the brand of sausage you use to ensure you don't end up with unwanted sugars or carby ingredients.

Because this casserole is so filling, it's good for any meal of the day. Serve it with a side salad for lunch or dinner.

More Keto Mexican Inspired Recipes

  • Easy Taco Casserole
  • Creamy Chicken Poblano
  • Baked Southwest Skillet
  • Stuffed Poblano Peppers
  • Mexican Cauliflower Rice
Mexican Breakfast Casserole - Keto/Low Carb

More Keto Breakfast Recipes

  • Eggs Benedict
  • Blueberry Muffins
  • Italian Sausage and Spinach Quiche
  • Sausage Gravy & Biscuits
  • Fluffy Pancakes with Strawberry Sauce

Shop  my favorite products on Amazon  and check out my Keto Pantry List!

Mexican Breakfast Casserole - Keto:Low Carb

Keto Mexican Breakfast Casserole

Meal prep for breakfast with this flavorful and slightly spicy chorizo, poblano pepper and cheese casserole!
Print Save Saved! Review
Prep Time 10 mins
Cook Time 30 mins
Total Time 40 mins
Author: Julianne
Course: Breakfast
Calories: 515
Servings: 8

INGREDIENTS

  • 12 whole eggs
  • 1 pound ground chorizo sausage
  • 2 cups shredded cheddar cheese, divided
  • ½ cup roasted poblano peppers, chopped
  • ¼ cup onions, minced
  • ⅓ cup diced tomatoes
  • ⅓ cup heavy cream
  • 1 teaspoon garlic salt
  • ½ teaspoon cayenne pepper, optional
  • 2 tablespoons fresh cilantro, chopped (plus extra for garnish)
  • Optional: top with queso fresco and fresh sliced avocado

INSTRUCTIONS

  • Turn the oven on broil. Place the poblano peppers (I used 2 medium) on a sheet pan lined with foil and lightly coat in olive oil.
  • Roast them in the oven until the skins are charred. Remove and place in a glass bowl and cover with plastic wrap for a few minutes. This will make the skins much easier to peel off. Then, peel the skins, remove the seeds, and chop. Turn the oven temperature down to 350F.
  • Cook the chorizo sausage in a skillet until browned. While the chorizo is browning, add the eggs to a mixing bowl and mix well using a hand mixer, immersion blender or hand whisk.
  • Drain the chorizo, remove and add to the bowl with the eggs. Sauté the onions for a few minutes, then add to the egg mixture along with the remaining ingredients, reserving 1 cup of the shredded cheese.
  • Pour into a 9" x 13" casserole baking dish that’s been sprayed with non-stick spray. Top with the remaining shredded cheese. Bake for 30-35 minutes or until the eggs have set. Allow to cool slightly before cutting into.
  • Optional: Top with more chopped fresh cilantro, sliced avocado and crumbled queso fresco before serving.

RECIPE NOTES

Macros do not include the optional queso fresco and avocado toppings.

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Nutrition Facts
Keto Mexican Breakfast Casserole
Amount Per Serving
Calories 515 Calories from Fat 378
% Daily Value*
Fat 42g65%
Saturated Fat 18g113%
Carbohydrates 4g1%
Fiber 1g4%
Sugar 1g1%
Protein 31g62%
* Percent Daily Values are based on a 2000 calorie diet.
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*Nutritional data is provided as a courtesy and is accurate to the best of my knowledge. You can verify it using the nutrition calculator of your choice. All data is based on net carbs, without sugar alcohol- Swerve, Erythritol, Allulose, or Monk Fruit. Share on Facebook Share on Twitter

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Filed Under: Breakfast, Casseroles, Posts, Recipes Tagged With: breakfast casserole, breakfast meal prep, low carb breakfast casserole

Bible verse of the day

He that followeth after righteousness and mercy findeth life, righteousness, and honour.
Proverbs 21:21
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Marilyn
November 18, 2019 3:39 pm

What do you think about Matthew 6 :5-14 my husband and I are discussing about praying out loud or to yourself . That praying out loud for other people to hear is not right but only for a Pastor.
I am making cheeseburger casserole . It looks delicious

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Author
Keto Cooking Christian
November 18, 2019 3:56 pm
Reply to  Marilyn

Those verses are referring to those who had no true relationship with the Lord, but only did these acts for the purpose of being seen as "holy". I see nothing wrong with praying aloud, if you are honestly seeking Christ with pure intentions. If someone is praying aloud just so others can see, but they're not truly walking with Christ or have no relationship with Him, the Lord will see right through that. We always pray over our meals and I love to be out at dinner and see others doing the same. I wish I saw it more often,… Read more »

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Keto Cooking Christian

I'm Julianne, welcome!  Eating healthy doesn't mean you have to sacrifice great flavor.  I offer tasty and indulgent Keto & Low Carb recipes that will never leave you feeling deprived! More about me...

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