This easy sausage breakfast casserole is a fantastic way to start your day! With just four ingredients, it’s simple and perfect for breakfast lovers. Eggs, sausage, cheese, and bread come together for a filling dish.
Honestly, who doesn’t love a hearty breakfast? I prepare this casserole whenever I’m in a rush but still want something warm and satisfying. It’s a true morning lifesaver!
Key Ingredients & Substitutions
Breakfast sausage: Using pork sausage adds great flavor, but you can swap it for turkey or chicken sausage for a healthier take. Vegetarian sausage crumbles are also an option if you prefer a meatless dish!
Eggs: The eggs give this casserole structure. If you’re looking for a lighter version, you can use egg whites or a mix of whole eggs and egg whites. Just remember, it may alter the texture slightly.
Cheddar cheese: Cheddar is classic, but you can mix it up by using Monterey Jack, Pepper Jack for a little heat, or even a blend of different cheeses for added flavor.
Bread: While any bread works, I prefer using a sturdy bread like sourdough or whole grain. If you’re gluten-free, gluten-free bread is a good substitute that works well in this recipe.
How Do You Ensure the Casserole is Cooked Perfectly?
Cooking the casserole just right ensures a delicious breakfast. Watch for a few key things:
- Preheat your oven! This helps the casserole rise evenly and cook through.
- The baking time is crucial—30-35 minutes is generally perfect, but ovens vary. Check for a golden brown top and set eggs. If it jiggles in the center, give it a few extra minutes.
- Let it cool for a bit after baking. This helps it firm up and makes slicing easier. Plus, it won’t burn your mouth!

4 Ingredient Sausage Breakfast Casserole
Ingredients You’ll Need:
- 1 pound breakfast sausage (pork or your choice)
- 6 large eggs
- 2 cups shredded cheddar cheese
- 4 slices of bread (white, wheat, or your preference), cubed
How Much Time Will You Need?
This tasty breakfast casserole takes about 10 minutes to prepare and 30-35 minutes to bake. In total, you’ll spend around 45-50 minutes from start to finish, making it a quick and easy option for breakfast or brunch!
Step-by-Step Instructions:
1. Prepare the Oven and Dish:
First, preheat your oven to 350°F (175°C) to get it nice and hot. While it’s heating, grease or spray a 9×13 inch baking dish with non-stick cooking spray to prevent the casserole from sticking.
2. Cook the Sausage:
In a skillet over medium heat, cook the breakfast sausage. Break it up with a spatula as it cooks. You’ll want it to become browned and fully cooked. Once done, drain any excess grease and set the sausage aside to cool slightly.
3. Whisk the Eggs:
In a large mixing bowl, crack the 6 large eggs and whisk them together until well beaten. This will create a fluffy base for your casserole!
4. Combine Ingredients:
Next, add the cubed bread, cooked sausage, and 1 1/2 cups of shredded cheddar cheese to the eggs. Mix everything together until the bread is well-coated with the egg mixture. This step is important for ensuring every bite is delicious!
5. Pour Into Baking Dish:
Pour the mixture into the greased baking dish, spreading it evenly to ensure that it cooks uniformly.
6. Add More Cheese:
Sprinkle the remaining 1/2 cup of shredded cheddar cheese on top. This will create a lovely cheesy crust that everyone will enjoy!
7. Bake the Casserole:
Place the dish in the preheated oven and bake for 30-35 minutes. You’ll know it’s done when the eggs are fully set and the top is golden brown.
8. Serve and Enjoy:
When the casserole is done baking, let it cool for a few minutes before slicing it into squares. Serve it warm, and enjoy this hearty breakfast that’s perfect for any morning!
Bon appétit! This simple and satisfying casserole is sure to be a hit with everyone at the table!
Can I Use Different Types of Sausage?
Absolutely! You can use turkey sausage for a lighter version, or even a plant-based sausage if you prefer a vegetarian option. Just ensure it’s fully cooked before adding it to the casserole.
Can I Make This Casserole Dairy-Free?
Yes! Substitute the cheddar cheese with a dairy-free cheese alternative or omit the cheese entirely. Using a non-dairy milk instead of regular milk can also help if you’d like a creamier consistency.
How Can I Store Leftovers?
Store any leftovers in an airtight container in the fridge for up to 3 days. To reheat, warm individual portions in the microwave or in the oven until heated through.
Can I Add Vegetables to the Casserole?
Definitely! Feel free to add cooked veggies like spinach, bell peppers, or onions for extra flavor and nutrition. Just make sure to sauté them before mixing in to avoid excess moisture in the casserole.



