Perfect for Sunday brunch, holiday mornings or when you want breakfast for dinner! This easy to make Sausage Croissant Breakfast Casserole is filled with croissants, sausage and cheese - YUM!!!

Why you'll love this recipe
- It's an easy, make-ahead recipe that can be assembled the night before and baked the next morning, making breakfast easier.
- It's a great way to use up leftover crescent rolls or croissants
- This breakfast bake is perfect for Christmas breakfasts, baby showers, brunch or brinner!
Ingredients

For the exact measurements, please refer to the printable recipe card at the bottom of this post.
- breakfast sausage or ham is an excellent substitute.
- Parmesan cheese
- salt
- green onions
- buttery croissants
- evaporated milk
- eggs
- gruyere cheese
Instructions

This is an overview of the instructions. For the complete directions just scroll down to the bottom!
- Spray baking dish with non-stick cooking spray, set aside.
- Cook and crumble sausage in a large skillet over medium-high heat. Drain fat on paper towel.
- In a large mixing bowl, combine the cooked sausage, torn croissants green onions, parmesan cheese and salt. Pour in the prepared baking dish.
- Whisk eggs and evaporated milk. Pour over the croissant sausage mixture. Cover with plastic wrap and refrigerate for 8 hours.
- Remove casserole from refrigerator. Preheat oven to 350 degrees. Remove plastic wrap. Sprinkle with Gruyère cheese. Bake uncovered 45 minutes or until golden brown.
- Let stand 10 minutes before serving.
Equipment
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Things to know
- Be sure to spray your baking dish well with cooking spray so the casserole doesn't stick.
- If you are adding vegetables to this crescent roll casserole be sure to dice them and saute them when you are browning the sausage.
- If you don't have evaporated milk on hand, you can use heavy cream or regular milk instead, but the evaporated milk really gives this casserole a rich flavor.
- Add a dash of black pepper to your egg mixture if you want to add some additional flavor to this recipe.
- If you are serving this for a holiday breakfast or brunch I would recommend serving it with some fresh fruit, yogurt, and maybe a mimosa!
FAQ's
No, do not cover this sausage casserole while you are baking it. You want the casserole to brown on the top.
This casseroles is baked at 350 degrees.
This dish is done when it reaches 160 degrees in the center of the casserole.
Variations
- This is the perfect breakfast casserole to add vegetables too, you can add things like diced bell peppers, onions, or any of your other favorite veggies.
- If you like spicy foods, you can add a dash of red pepper flakes or use hot sausage to add some heat.
- If you don't have leftover croissants, you can use a can of a crescent roll dough, bake them and then use them in this casserole.
- Instead of pork sausage, you can use turkey sausage or your favorite meatless scramble.
- Give your favorite meatless protein a sausage-like flavor by adding two teaspoons of poultry seasoning to it.
Storage
Refrigeration: Store leftovers in an airtight container in the fridge for up to 3 days.
Freezer: This casserole can be stored in the freezer for up to three months. Place in the fridge overnight to thaw before reheating.
Reheating: This casserole is best served hot and fresh out of the oven, but it can be reheated in the microwave. If you are reheating leftovers, I would recommend adding a little bit of milk so it doesn't dry out.
Related recipes
- Are you looking for a breakfast recipe that your whole family will love? Give this Southwest Breakfast Skillet recipe a try! You won't regret it.
- Do you have overnight guests and need something delicious to feed them in the morning? These Crescent Roll Cinnamon Rolls are always a crowd favorite for breakfast or brunch.
- This Sausage Biscuit Breakfast Casserole is one of the best breakfast recipes that you will ever try!
Serving suggestions
- Do you love fresh fruit to serve alongside a hearty breakfast casserole like this one? Then you will love this Mexican Fruit Salad recipe.
- Hash browns are a staple breakfast side dish in my house, and our go-to recipe is this Cheesy Hashbrown Casserole recipe.
- Are you looking for a refreshing drink to pair with this easy recipe? Look no further than this Strawberry Lemonade!
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Sausage Croissant Breakfast Casserole
Ingredients
- 1 pound breakfast sausage cooked and crumbled
- 1 ¼ cups Parmesan cheese shredded
- ¾ teaspoon salt
- 6 green onions sliced
- 8 cups torn croissants depending on size, you'll need 5-7 croissants
- 15 ounces evaporated milk
- 8 large eggs lightly beaten
- 2 cups gruyere cheese shredded
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Instructions
- Spray baking dish with non-stick cooking spray, set aside.
- Cook and crumble sausage in a large skillet over medium-high heat. Drain fat on paper towel.
- In a large mixing bowl, combine the cooked/crumbeld sausage torn croissants green onions, parmesan cheese and salt. Pour in the prepared baking dish.
- Whisk eggs and evaporated milk. Pour over the croissant sausage mixture. Cover with plastic wrap and refrigerate for 8 hours or overnight.
- The next day remove casserole from refrigerator. Preheat oven to 350 degrees. Remove plastic wrap. Sprinkle the top of the casserole with shredded Gruyère cheese. Bake uncovered 45 minutes or until golden brown.
- Let stand 10 minutes before serving.
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