Slow Cooker Southwest Breakfast Casserole

Wake up to bold Southwest flavors with this easy slow cooker Southwest Breakfast Casserole.

Packed with savory sausage, shredded hash browns, peppers and a blend of cheddar and Monterey Jack cheese, it delivers a deliciously hearty start to the day.

We just can’t get enough delicious Recipes for Breakfast in our home!

Let the slow cooker do the work while you enjoy a stress-free morning.

Weekday Easy Casserole Recipes will become some of your family’s favorites!

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Can Breakfast Casserole Be Made Ahead

Yes, breakfast casserole can be made ahead! Prepare and assemble it the night before, cover and refrigerate.

When ready to make it in your slow cooker, let it sit at room temperature for about 15–20 minutes, then cook as directed.

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You can also fully make it in advance, refrigerate for up to 4 days or freeze for longer storage.

Reheat in the oven or microwave before serving.

How to Make in the Oven

To make this recipe in the oven, preheat to 350°F.

Assemble the ingredients in a greased 9×13-inch baking dish in the same order as the slow cooker version.

Cover with foil and bake for 40-45 minutes, or until the eggs are set in the center.

Remove the foil in the last 10 minutes to allow the cheese to brown slightly.

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Let it rest for 5 minutes before serving.

How to Reheat Casserole for Breakfast

To reheat Southwest breakfast casserole after it’s been cooked, use one of these methods:

• Oven (Best for Crispiness): Preheat to 350°F (175°C), cover with foil and bake for 20–30 minutes until heated through.
• Microwave (Quickest): Heat individual portions on a microwave-safe plate for 1–2 minutes, covering with a damp paper towel to retain moisture.
• Air Fryer: Set to 325°F (163°C) and heat for 5–10 minutes for a crispy top.

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For best results, let refrigerated casserole sit at room temperature for a few minutes before reheating.

Casserole Ingredients

To make this super yummy Southwest breakfast casserole, you’ll need the following ingredients:

• mild bulk sausage (no casings)
• hash browns, shredded
• ground cumin
• garlic powder
• red pepper
• eggs
• water
• chipotle powder
• sea salt and black pepper
• sharp cheddar cheese
• Monterey Jack (or other mild white) cheese
• Optional Garnish:
  • green onions
  • red pepper
  • fresh cilantro
  • additional shredded cheese

How to Make Southwest Breakfast Casserole

Grease a 6-quart or larger slow cooker with non-stick spray, melted butter, or coconut oil.

In a large skillet, cook the sausage over medium heat until browned, about 8-10 minutes. Drain excess grease and set aside.

Spread hash browns evenly in the slow cooker, then layer with browned sausage, cumin, and garlic powder. Add chopped red pepper and season with salt and black pepper to taste.

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In a large bowl, whisk eggs and water, then pour over the layered ingredients. Top with shredded cheese.

Cover and cook on low for 4 hours. Serve hot with green onion, red pepper, fresh cilantro, or extra cheese if desired.

More Southwest Breakfast Recipes

Discover more Southwest breakfast recipes packed with bold flavors and hearty ingredients.

• Southwest Muffin Pan Quiche
• Mexican Breakfast Burrito
• Mexican Breakfast Casserole
• Chilaquiles Rojos
• Huevos Rancheros
• Mexican Breakfast Bowls