Slow Cooker Sausage & Egg Casserole

Breakfast

March 10, 2026

The Easiest Brunch You’ll Ever Make!

Tired of the same old scrambled eggs? Elevate your morning with this incredibly simple and delicious Slow Cooker Sausage and Egg Casserole. It’s the ultimate ‘set it and forget it’ brunch dish, perfect for lazy weekends, holiday mornings, or feeding a hungry crowd without breaking a sweat. By layering savory sausage, vibrant veggies, and a rich, cheesy egg custard, the slow cooker does all the work, leaving you with a perfectly cooked, flavorful casserole that’s ready when you are.

Ingredients

• Nonstick cooking spray
• 1 pound / 454g breakfast sausage, cooked and drained
• ½ medium onion, finely diced
• ½ red bell pepper, finely diced
• 1 4-ounce / 113g can whole green chiles, drained and diced
• 12 large eggs
• 1 cup / 240ml heavy whipping cream
• ½ teaspoon / 2.5g salt
• ½ teaspoon / 1.5g ground black pepper
• 1½ cups / 170g shredded sharp cheddar cheese
• Note: This recipe is designed for a medium-sized slow cooker (4-6 quarts).

Instructions

1. Prepare the Base: Generously coat the inside of your slow cooker stoneware with nonstick cooking spray. Add the cooked sausage, diced onion, bell pepper, and green chiles. Stir everything together to create an even layer.
2. Mix the Custard: In a large mixing bowl, whisk the eggs, heavy cream, salt, and pepper until they are smooth and well-combined. Fold in the shredded cheddar cheese.
3. Combine and Cook: Gently pour the egg and cheese mixture over the sausage and vegetable layer in the slow cooker. Place the lid on, set to Low, and cook for 3½ to 4½ hours, or until the center is set and the edges are golden. Serve warm.

Nutritional Information

• Per Serving
• Calories: 326
• Fat: 27g
• Net Carbs: 2g
• Protein: 17g

Pro Tips

• For a heartier texture, use canned whole green chiles and dice them yourself. They provide a more substantial, flavorful bite than pre-diced varieties.
• Meal prep this recipe by browning a large batch of sausage and freezing it in 1-pound portions. It makes assembly on a busy morning take just minutes.
• Customize your casserole by swapping the cheddar for Monterey Jack or a spicy pepper jack. You can also add other vegetables like mushrooms or spinach.
• To check for doneness, insert a knife into the center of the casserole. It should come out clean when it’s fully cooked.

FAQ

Q: Can I make this sausage and egg casserole ahead of time
A: Yes, you can easily prep parts of this recipe. For a quick assembly, cook the breakfast sausage in advance and freeze it. Then, simply add it to the slow cooker with the other ingredients when you’re ready to cook.

Q: How do I know when the slow cooker egg casserole is done
A: The casserole is fully cooked when the center is set and the edges are golden. You can test for doneness by inserting a knife into the center; it should come out clean.

Q: Can I customize this breakfast casserole recipe
A: Absolutely. Feel free to swap the sharp cheddar for Monterey Jack or pepper jack cheese. You can also add other vegetables like spinach or mushrooms to the sausage layer for extra flavor.

Q: Is this slow cooker breakfast casserole keto-friendly
A: Yes, with only 2g of net carbs per serving, this sausage and egg casserole is an excellent choice for anyone following a keto or low-carb diet.

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