When mornings are busy and appetites are big, few dishes deliver like a Make-Ahead Sausage Hashbrown Casserole. Hearty, cheesy, and deeply satisfying, this recipe is designed to do the work before you need it. Whether you’re feeding a holiday crowd, hosting brunch, or prepping weekday breakfasts, this casserole is a reliable favorite that goes from fridge to oven with almost no effort.
It’s comfort food with a practical twist—and once you make it, it’s bound to become a staple.
Why This Casserole Is Perfect for Making Ahead
The genius of this dish lies in how well it holds up overnight. As it rests, the flavors meld together, the hashbrowns absorb the seasoned egg mixture, and the sausage infuses every bite with savory richness.
This makes it ideal for:
Holiday mornings
Brunch gatherings
Meal prep for the week
Feeding a crowd without last-minute cooking
Ingredients You’ll Need
For a classic make-ahead sausage hashbrown casserole, gather:
1 pound breakfast sausage (pork, turkey, or chicken)
1 (20–24 oz) bag frozen hashbrowns, thawed
1 small onion, finely chopped
2 cups shredded cheddar cheese (or a cheese blend)
6 large eggs
1½ cups milk
½ cup sour cream
1 teaspoon salt
½ teaspoon black pepper
½ teaspoon garlic powder
Optional additions: bell peppers, green onions, smoked paprika, or red pepper flakes.