If you need a fast, hearty breakfast that feeds a crowd, this Easy Breakfast Casserole is the answer. Made with fluffy biscuits, savory sausage, melty cheese, and creamy eggs, it’s a comforting breakfast bake that comes together in minutes and is on the table in just 30 minutes.
Whether you’re hosting holiday guests, planning a brunch, or feeding family on a busy morning, this biscuit breakfast casserole is always a hit. It’s filling, flavorful, and incredibly simple to make with everyday ingredients.
Why You’ll Love This Breakfast Casserole
- Ready in 30 minutes – Perfect for busy mornings
- Feeds a crowd – Great for holidays, brunch, or overnight guests
- Simple ingredients – Just layer and bake
- Make-ahead friendly – Prep the night before or bake right away
- Freezer-friendly – Ideal for meal prep
Ingredients You’ll Need
- 1 can (16.3 oz) refrigerated biscuits (8-count)
- 8 oz cooked sausage crumbles (pork, turkey, or chicken)
- 1 cup shredded mozzarella cheese
- 1 cup shredded cheddar cheese
- 8 large eggs, beaten
- 1 cup milk (whole or 2%)
- Salt and pepper, to taste
Optional Add-Ins & Toppings
- Sautéed veggies: spinach, mushrooms, bell peppers
- Toppings: green onions, bacon bits, salsa, sour cream, hot sauce
How to Make Breakfast Casserole
1. Preheat the oven
Preheat oven to 425°F and grease a 9×13-inch baking dish.
2. Create the biscuit base
Press biscuit dough evenly into the bottom of the dish, sealing seams to form a crust.
3. Add the filling
Sprinkle cooked sausage evenly over the biscuit layer, followed by mozzarella and cheddar cheese.
4. Add the egg mixture
In a bowl, whisk together eggs, milk, salt, and pepper. Pour evenly over the casserole.
5. Bake
Bake for 25–30 minutes, or until the center is set and no longer jiggles.
6. Rest and serve
Let stand for 5 minutes before slicing. Serve warm.
Tips & Variations
- Switch the protein – Bacon, ham, turkey sausage, or chorizo all work well
- Make it meat-lover style – Combine multiple meats
- Add veggies – Sauté first for best texture
- Serve with something sweet – Pair with French toast casserole or coffee cake for brunch balance
Make Ahead & Storage
- Make ahead: Assemble the casserole, cover, and refrigerate overnight. Bake fresh in the morning.
- Freezer: Bake, cool completely, wrap tightly, and freeze up to 2 months. Thaw overnight and reheat.
- Leftovers: Store in the fridge for up to 4 days.
Easy Breakfast Casserole Recipe Card
Easy Breakfast Casserole
A quick, filling breakfast bake made with biscuits, eggs, sausage, and cheese—perfect for feeding a crowd in just 30 minutes.
- Servings: 12
- Prep Time: 5 minutes
- Cook Time: 25 minutes
- Total Time: 30 minutes
Ingredients
- 1 (16.3 oz) can refrigerated biscuits
- 8 oz cooked sausage crumbles
- 1 cup shredded mozzarella cheese
- 1 cup shredded cheddar cheese
- 8 large eggs
- 1 cup milk
- Salt and pepper, to taste
Instructions
- Preheat oven to 425°F. Grease a 9×13-inch baking dish.
- Press biscuit dough evenly into the bottom of the dish.
- Sprinkle sausage and cheeses over the biscuit layer.
- Whisk eggs, milk, salt, and pepper. Pour over casserole.
- Bake 25–30 minutes until set. Rest 5 minutes before serving.