The Ultimate Overnight Breakfast Casserole
Introduction
Are you looking for a delicious and easy breakfast to feed a crowd? The Ultimate Overnight Breakfast Casserole is your answer! This dish is packed with flavors, easy to prepare, and perfect for any occasion. Whether it’s a family gathering, a holiday brunch, or just a special Sunday morning, this casserole will impress everyone at the table.
Why make this recipe
Making breakfast can get hectic, especially when you have guests or a busy morning ahead. This casserole allows you to prepare everything the night before, so you can simply pop it in the oven in the morning. Plus, it’s hearty, satisfying, and full of tasty ingredients like sausage, cheese, and eggs. Everyone loves breakfast casseroles, and this recipe is sure to become a favorite!
How to prepare The Ultimate Overnight Breakfast Casserole
Preparing this casserole is as easy as following a few simple steps. With prep done the night before, you’ll save time and enjoy a delicious breakfast without the stress.
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
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper
- 1/4 cup chopped green onions
Steps:
- Cook the sausage in a skillet over medium heat until browned. Set aside to cool.
- In a large bowl, whisk together the eggs, milk, sour cream, salt, and pepper until smooth.
- Grease a 9×13 baking dish and layer half of the hash browns, half the sausage, and a layer of cheese.
- Repeat the layers with the remaining hash browns, sausage, and cheese.
- Pour the egg mixture evenly over the top of the layered ingredients.
- Cover with foil and refrigerate overnight.
- Preheat the oven to 350°F in the morning and bake the casserole, covered, for 45 minutes.
- Remove the foil and bake an additional 20–25 minutes until golden and fully set.
- Top with chopped green onions and serve warm.
How to serve The Ultimate Overnight Breakfast Casserole
Serve this casserole warm right from the oven. It’s perfect on its own, but you can also add a side of fresh fruit or a light salad. For extra flavor, offer hot sauce or salsa on the side.
How to store The Ultimate Overnight Breakfast Casserole
If you have leftovers, let the casserole cool completely, then cover it tightly and store it in the refrigerator for up to 3 days. You can reheat individual portions in the microwave for a quick breakfast.
Tips to make The Ultimate Overnight Breakfast Casserole perfectly
- Make sure to cook the sausage until it’s fully browned for the best flavor.
- Grease your baking dish well to prevent sticking.
- Allow the casserole to rest for a few minutes after baking to make it easier to cut and serve.
Variations
Feel free to customize this casserole! You can add in cooked vegetables, such as bell peppers or spinach, or use different types of cheese like mozzarella or pepper jack for a spicy kick. You might also swap out the breakfast sausage for bacon or ham if you prefer.
FAQ
1. Can I use fresh hash browns instead of frozen ones?
Yes, fresh hash browns can work well, but make sure they are fully cooked before layering.
2. Can I make the casserole without meat?
Absolutely! You can skip the sausage or substitute it with plant-based sausage for a vegetarian option.
3. How long will it take to bake if I skip the overnight chilling?
If you bake it right away, you might need to add an additional 15–20 minutes to the cooking time to ensure it sets properly.
Enjoy making The Ultimate Overnight Breakfast Casserole, and get ready to savor a delightful breakfast that will please everyone!
The Ultimate Overnight Breakfast Casserole
A delicious and easy breakfast casserole packed with sausage, cheese, and eggs, perfect for feeding a crowd.
- Prep Time: 15 minutes
- Cook Time: 65 minutes
- Total Time: 80 minutes
- Yield: 8 servings 1x
- Category: Breakfast
- Method: Baking
- Cuisine: American
- Diet: Omnivore
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
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper
- 1/4 cup chopped green onions
Instructions
- Cook the sausage in a skillet over medium heat until browned. Set aside to cool.
- In a large bowl, whisk together the eggs, milk, sour cream, salt, and pepper until smooth.
- Grease a 9×13 baking dish and layer half of the hash browns, half the sausage, and a layer of cheese.
- Repeat the layers with the remaining hash browns, sausage, and cheese.
- Pour the egg mixture evenly over the top of the layered ingredients.
- Cover with foil and refrigerate overnight.
- Preheat the oven to 350°F in the morning and bake the casserole, covered, for 45 minutes.
- Remove the foil and bake an additional 20–25 minutes until golden and fully set.
- Top with chopped green onions and serve warm.
Notes
Make sure to grease your baking dish well to prevent sticking. Allow the casserole to rest for a few minutes after baking to make it easier to cut and serve.
Nutrition
- Serving Size: 1 serving
- Calories: 450
- Sugar: 3g
- Sodium: 600mg
- Fat: 30g
- Saturated Fat: 12g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 30g
- Fiber: 2g
- Protein: 20g
- Cholesterol: 180mg
Keywords: breakfast casserole, overnight casserole, sausage, eggs, cheese

