This Tex Mex Slow Cooker Breakfast is the perfect easy recipe for an effortless morning meal! Layers of tender hashbrowns, sausage and bell peppers are combined with a perfectly seasoned egg mixture.

The whole thing is topped off with cheddar cheese and cooks effortlessly in your slow cooker while you’re enjoying morning coffee with your guests. A perfect delicious fiesta of flavors, this will definitely become a breakfast go-to!

Slow Cooker Breakfast Casserole with text

I am so excited to have partnered with McCormick to bring you this recipe.

I love using my slow cooker to prepare meals ahead of time, especially when I’m feeding a crowd!

With layers of hashbrowns, sausage and crisp fresh bell peppers, this Slow Cooker Breakfast is seasoned perfectly with taco seasoning (and of course a generous serving of cheddar cheese).

The evening before  I brown the meat and chop all of the vegetables. In the morning it’s as simple as layering everything in the slow cooker and turning it on.

While I have used sausage, peppers and onions as the main add ins in this slow cooker breakfast, you can add all of your favorites, like ham, corn, black beans, cooked mushrooms, tomatoes, or whatever else you might have in the fridge.

Slow Cooker Breakfast Casserole on a plate with a bite taken out

If you want to keep things a bit more simple, just use the seasoning and the eggs for a quick and easy dish that is loaded with tons of flavor!

I make this with shredded hashbrown potatoes but you can also use diced hashbrowns or even leftover roasted potatoes if you happen to have them on hand! If not, you can sub out the potatoes for cornbread or bread to create a strata style breakfast casserole!

Serve it with salsa, guacamole, sour cream and garnish with green onion or fresh parsley! Not only flavorful, but so beautiful!

Slow Cooker Breakfast Casserole on a plate with a fork
5 from 17 votes↑ Click stars to rate now!
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Tex Mex Slow Cooker Breakfast

Spice things up for your next brunch with this Mexican Slow Cooker Breakfast Casserole! What a delicious fiesta of flavors delivered with such little effort you will want to make this every weekend!
Prep Time 15 minutes
Cook Time 2 hours 30 minutes
Total Time 2 hours 45 minutes
Servings 8 servings
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  • ¾ pound ground sausage
  • 1 medium onion diced
  • 1 package taco seasoning
  • 12 large eggs
  • 1 cup milk
  • 1 cup cheddar cheese shredded
  • 2 cups refrigerated or frozen hash brown potatoes
  • ½ red bell pepper diced
  • ½ green bell pepper diced
  • 2 tablespoons cilantro optional
  • 1 tablespoon green onion


  • Brown ground sausage and onion until no pink remains. Drain any fat and set aside
  • Combine eggs, milk and Seasoning Mix in a large bowl. Stir in cheddar cheese.
  • Spray inside of slow cooker with cooking spray. Layer hash browns, cooked sausage, red and green pepper and sprinkle with cilantro.
  • Pour egg mixture over everything.
  • Cover and cook 2 ½ hours on high or 4 – 4 ½ hours on low or until eggs are set.
  • Garnish with green onion.


Optional: serve with salsa and sour cream.
5 from 17 votes

Nutrition Information

Calories: 405 | Carbohydrates: 17g | Protein: 20g | Fat: 27g | Saturated Fat: 9g | Cholesterol: 292mg | Sodium: 599mg | Potassium: 528mg | Fiber: 1g | Sugar: 3g | Vitamin A: 860IU | Vitamin C: 22mg | Calcium: 188mg | Iron: 2mg

Nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.

Course Breakfast
Cuisine Mexican

I am so excited to have partnered with McCormick to bring you this belly warming recipe. While I was compensated for this post, all thoughts and opinions (and this yummy recipe) are my own.  Working with the brands I love allows me to keep bringing you the great recipes you love!

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Holly is a wine and cheese lover, recipe creator, shopping enthusiast and self appointed foodie. Her greatest passion is creating in the kitchen and making deliciously comforting recipes for the everyday home cook!
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Recipe Rating


  1. Made this for a church breakfast. I did it exactly as it said except I decided to saute the peppers and onion since I had the pan out for the sausage. I did use one full packet of mild taco seasoning. I cooked it for 4 1/2 hours on low and it was perfect! Super moist and flavorful. Thanks!5 stars

  2. Will this recipe do well if doubled? I’m making it for a Teacher Appreciation Breakfast, so many people.

    1. I have never tried doubling this so I can’t say for sure Kimberly. A Crock Pot works best if it’s 1/2 to 2/3 full, and a maximum of 3/4 full. So if doubling you will want to make sure it is no more than 3/4 full.

  3. This is a really great option for us, as the five people in the household live on differing schedules. We can grab a bowl when we’re ready, and have such a quick and easy breakfast for a couple of days. It refrigerates well. 2 minutes in the microwave at 40%, and then leaving it in there for another minute, heats it up without overcooking it.

    I didn’t add enough salt and pepper the first time, but that is actually good, as people like theirs differently. (I prefer adding an “everything but the bagel” type seasoning, myself, while my husband likes to salt and pepper his own. And the youngest wants to see those on top of theirs.)5 stars

    1. As with any recipe, eliminating the seasoning mix will definitely make it bland. It appears the “McCormick Good Morning Slow Cooker Mexican Egg Casserole Seasoning Mix” has been discontinued since this recipe was posted. I would suggest a package of taco seasoning in its place or homemade taco seasoning. I hope that helps!

  4. Holly I cannot find that specific McCormick seasoning anywhere. What can I use as substitution????

  5. Hi,

    Regarding your “Mexican Slow Cooker Breakfast” recipe, I just checked the McCormick Canada and the McCormick USA websites and neither one lists the McCormick Good Morning Slow Cooker Mexican Egg Casserole Seasoning Mix.

    What would you use as a substitute?

      1. How much of a difference is there between the 2 seasonings (the one that’s discontinued and the taco seasoning?). I use their taco seasoning often when I make my homemade ground beef tacos but I never use the entire pkg. I want that flavor but I don’t want it to take over all the other flavors coming from the rest of the ingredients. Would you suggest I use the entire pkg? I’ve been going through your site throughout the day. I’ve come across some pretty interesting recipes. This one in particular is actually making my mouth water, lol. My son is a picky eater but I think even he would enjoy this…

      2. So glad you’ve found some recipes to enjoy Tammie! This makes quite a large amount so we use the whole package.