Description
A comforting, hands-free Overnight Slow Cooker Breakfast Casserole made with creamy eggs, hash browns, savory sausage, onions, and melty cheese. Prep it the night before and wake up to a hot, hearty breakfast perfect for holidays, busy mornings, and weekend gatherings.
Ingredients
Scale
- 2 pounds frozen hash browns, thawed
- 1 pound breakfast sausage
- 1/2 cup chopped onion
- 2 cups shredded cheddar cheese
- 1/2 cup grated Parmesan cheese
- 12 large eggs
- 1 cup milk
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 1/2 teaspoon garlic powder
- 1/2 teaspoon paprika
Instructions
- Cook the Sausage: Brown sausage in a skillet over medium heat. Drain excess grease.
- Sauté Onions: In the same skillet, cook chopped onions 2–3 minutes until translucent.
- Prepare Slow Cooker: Grease the slow cooker insert with butter or non-stick spray.
- Layer Ingredients: Add half the hash browns, sausage, onions, and cheddar. Repeat layers.
- Whisk Egg Mixture: In a bowl, whisk eggs, milk, salt, pepper, garlic powder, and paprika.
- Pour Over Layers: Evenly pour the egg mixture into the slow cooker.
- Top with Parmesan: Sprinkle Parmesan cheese over the top.
- Cook Overnight: Cover and cook on LOW for 6–8 hours until eggs are set.
- Serve: Let rest 10 minutes, slice, and enjoy warm.
Notes
- Always thaw hash browns completely before using.
- Prevent sticking by thoroughly greasing the slow cooker.
- Do not overcook — eggs become rubbery when cooked too long.
- Customize with mushrooms, spinach, chiles, or sweet potatoes.
- Let casserole rest before slicing for the best texture.
- Great for meal prep — stores well and reheats beautifully.
- Prep Time: 20 minutes
- Cook Time: 6–8 hours
- Category: Breakfast
- Method: Slow Cooker
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 420
- Sugar: 2g
- Sodium: 890mg
- Fat: 29g
- Saturated Fat: 12g
- Unsaturated Fat: 14g
- Trans Fat: 0g
- Carbohydrates: 17g
- Fiber: 1g
- Protein: 23g
- Cholesterol: 310mg
Keywords: Slow Cooker Breakfast Casserole, Overnight Breakfast Casserole, Crockpot Breakfast, Hash Brown Egg Casserole, Make-Ahead Breakfast, Holiday Breakfast Recipes