Description
The Ultimate Overnight Breakfast Casserole combines hearty breakfast sausage, crispy hash browns, eggs, cheese, and a creamy mixture of milk and sour cream. Perfect for making ahead, it’s an effortless, crowd-pleasing breakfast for busy mornings or brunch gatherings.
Ingredients
- 1 pound breakfast sausage
- 1 package frozen hash browns (about 30 oz)
- 8 large eggs
- 1 cup milk
- 1 cup sour cream
- 2 cups shredded cheddar cheese
- ½ teaspoon salt
- ¼ teaspoon black pepper
- ¼ cup chopped green onions
Instructions
- Preheat oven to 350°F (175°C) and grease a 9×13 inch baking dish.
- Cook the sausage in a skillet over medium heat until browned. Drain excess fat.
- Layer the hash browns evenly in the prepared baking dish.
- Sprinkle cooked sausage and 1½ cups of shredded cheddar cheese over the hash browns.
- In a bowl, whisk together eggs, milk, sour cream, salt, and pepper.
- Pour the egg mixture evenly over the layers in the dish.
- Top with remaining cheese and sprinkle with chopped green onions.
- Cover and refrigerate overnight, or bake immediately for 45–50 minutes until the casserole is set and golden on top.
Notes
- Make ahead: Assemble the night before and bake in the morning for a stress-free breakfast.
- Optional: Add diced bell peppers, mushrooms, or spinach for extra flavor and color.
- Leftovers can be refrigerated for up to 3 days and reheated.
- Prep Time: 15 minutes
- Cook Time: 50 minutes
- Category: Breakfast
- Method: Baked
- Cuisine: American