For an extra layer of flavor, consider adding diced onions and bell peppers to the sausage while browning. You can substitute cheddar cheese for mozzarella, or use a combination of cheeses. If you prefer a firmer casserole, cook on Low for 6 hours. For a softer casserole, cook for 8 hours. Let the casserole cool slightly before slicing and serving.
Slow Cooker Breakfast Casserole
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PREP TIME15 mins
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COOK TIME6 hrs 5 mins
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TOTAL TIME6 hrs 20 mins
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SERVING10 People
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VIEWS66
Wake up to the enticing aroma of a hearty and comforting breakfast! This slow-cooker casserole is brimming with savory sausage, fluffy potatoes, and melted mozzarella, all enveloped in a rich, custardy egg base. Prepare it the night before, and let your slow cooker work its magic while you dream.
Ingridients
Adjust Servings
Nutrition
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Carbohydrate18 g
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Cholesterol272 mg
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Fiber1 g
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Protein27 g
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Saturated Fat12 g
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Sodium1009 mg
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Sugar2 g
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Fat27 g
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Unsaturated Fat0 g
Follow The Directions
01
Step
0 mins
Liberally coat the inside of your slow cooker crock with cooking spray to prevent sticking.
02
Step
7 mins
In a large skillet set over medium-high heat, brown the Italian sausage, breaking it apart with a spoon as it cooks. Cook until fully browned and crumbly, approximately 5-7 minutes. Drain off any excess grease.
03
Step
2 mins
Evenly spread the frozen hash-brown potatoes across the bottom of the prepared slow cooker. Distribute the cooked sausage evenly over the potatoes. Sprinkle the shredded mozzarella cheese over the sausage, ensuring it's well-distributed.
04
Step
2 mins
In a large bowl, whisk the eggs until smooth. Add the milk and continue whisking until fully incorporated. Stir in the ground mustard, salt, and black pepper. Gently pour the egg mixture over the potato, sausage, and cheese layers in the slow cooker.
05
Step
8 hrs
Cover and cook on Low heat for 6-8 hours, or until the eggs are set and the casserole is cooked through.
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Rosalee Glover
May 29, 2025I added some diced onions and peppers, and it was even better!
Amelia Kemmer
Feb 11, 2025Perfect for meal prepping breakfast for the week!
Agustina Kulas
Jan 8, 2025I used cheddar cheese instead of mozzarella, and it turned out great!
Genoveva Bednar
Dec 12, 2024Definitely going to make this for our next brunch party!
Gladys Berge
Nov 10, 2024Great recipe and very adaptable. I will make this a lot!
Palma Huel
Oct 31, 2024This was so easy to make and tasted amazing! My family loved it!
Rebeca Carroll
Oct 19, 2024My slow cooker seems to cook faster, so I checked it after 5 hours, and it was perfect.