Why make this recipe
Sausage Breakfast Casserole is a hearty and flavorful dish that is perfect for breakfast gatherings, brunch parties, or as a satisfying weekday meal. It combines the richness of eggs, savory sausage, and cheesy goodness all in one pan. This recipe is not only filling but also easy to prepare, making it a great choice for busy mornings. You can whip it up ahead of time, making your breakfast routine smoother and more enjoyable.
How to make Sausage Breakfast Casserole
Ingredients
- 1 pound ground breakfast sausage
- 6 large eggs
- 2 cups shredded sharp cheddar cheese
- 1/2 cup milk or heavy cream
- 3 cups frozen hash browns (thawed)
- 1/2 cup chopped onions
- 1/2 cup chopped bell peppers
- 1/2 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 1/4 teaspoon black pepper
- 1/4 teaspoon salt
- Cooking spray or butter (for greasing the baking dish)
Directions
- In a large skillet over medium heat, cook the sausage until browned and cooked through. Drain excess grease and set aside.
- If using, sauté the onions and bell peppers in the same skillet until soft, about 3–4 minutes.
- In a mixing bowl, whisk together eggs, milk, garlic powder, onion powder, salt, and pepper until smooth.
- Preheat the oven to 350°F (175°C). Grease a 9×13-inch baking dish with cooking spray or butter.
- Spread the thawed hash browns evenly in the dish, followed by the cooked sausage, sautéed veggies, and half of the shredded cheese.
- Pour the egg mixture evenly over the top and gently press the ingredients down with a spatula to soak.
- Sprinkle the remaining cheese on top.
- Bake for 40–45 minutes until the center is set and the top is golden brown.
- Let it rest for 10 minutes before slicing and serving.
- Garnish with parsley or green onions if desired.
How to serve Sausage Breakfast Casserole
Serve the Sausage Breakfast Casserole warm, straight from the oven. It pairs well with a side of fresh fruit or a light salad. You can also offer syrup or hot sauce for those who like an extra kick.
How to store Sausage Breakfast Casserole
Store any leftover casserole in an airtight container in the refrigerator. It will stay fresh for up to 3 days. You can also freeze it for longer storage. To reheat, simply warm it in the oven or microwave until heated through.
Tips to make Sausage Breakfast Casserole
- Use different types of sausage, like spicy or turkey sausage, for a twist on flavor.
- For added veggies, consider spinach, mushrooms, or zucchini.
- You can prepare the casserole the night before and bake it in the morning for an easy breakfast option.
Variation
Feel free to customize the casserole with different cheeses, such as pepper jack or mozzarella. You can also add spices like paprika or chili powder for more flavor.
FAQs
Can I use fresh potatoes instead of frozen hash browns?
Yes, you can use fresh potatoes. Just shred them and sauté them for a few minutes to soften before adding them to the casserole.
Can this dish be made vegetarian?
Yes, you can replace the sausage with plant-based sausage or other protein alternatives and omit any animal products.
How can I make this dish ahead of time?
You can assemble the casserole the night before, cover it, and refrigerate it. Just bake it in the morning as directed. This will save you time and effort on busy mornings.

Sausage Breakfast Casserole
Ingredients
Method
- In a large skillet over medium heat, cook the sausage until browned and cooked through. Drain excess grease and set aside.
- If using, sauté the onions and bell peppers in the same skillet until soft, about 3–4 minutes.
- In a mixing bowl, whisk together eggs, milk, garlic powder, onion powder, salt, and pepper until smooth.
- Preheat the oven to 350°F (175°C). Grease a 9×13-inch baking dish with cooking spray or butter.
- Spread the thawed hash browns evenly in the dish, followed by the cooked sausage, sautéed veggies, and half of the shredded cheese.
- Pour the egg mixture evenly over the top and gently press the ingredients down with a spatula to soak.
- Sprinkle the remaining cheese on top.
- Bake for 40–45 minutes until the center is set and the top is golden brown.
- Let it rest for 10 minutes before slicing and serving.
