Growing up in California, weekend breakfasts were always a big deal in my house. When I first switched to a healthier, low-carb lifestyle, I missed those warm, cheesy casseroles that filled the kitchen with comfort. After several experiments (some great… some not!), this sausage and egg casserole became my go-to. It’s hearty, simple, and perfect for busy mornings or long brunches with family. Now I make versions of this recipe every week for meal prep. Whether you’re craving breakfast inspo, looking for easy recipes, or needing high-protein savory breakfast ideas, this dish always delivers.
Why You’ll Love This Recipe
- Simple ingredients – Everyday items like eggs, sausage, and cheese create a comforting, no-fuss breakfast.
- Prep-ahead friendly – Assemble the casserole the night before and bake it fresh in the morning.
- Nutrient-dense – Packed with protein, healthy fats, and customizable add-ins for balanced nutrition.
- Perfect for meal prep – Stays delicious for 3–4 days in the fridge and freezes beautifully.
- Versatile & customizable – Swap meats, add veggies, or make it keto-friendly with minimal changes.
- Crowd-pleaser – A classic American breakfast bake that works for holidays, busy mornings, or potlucks.
Preparation and Cooking Time
Prep Time: 10 minutes
Cook Time: 40 minutes
Total Time: 50 minutes
Ingredients
- 1 lb breakfast sausage (mild or spicy)
- 10 large eggs
- 1 cup shredded cheddar cheese
- ½ cup shredded mozzarella (optional)
- 1 cup milk (or half-and-half)
- 1 tsp garlic powder
- 1 tsp onion powder
- ½ tsp salt
- ½ tsp black pepper
- Optional add-ins: spinach, diced bell peppers, mushrooms, jalapeños, green onions
Step-by-Step Instructions
- Preheat your oven to 350°F (175°C). Grease a 9×13 baking dish.
- Cook the sausage in a large skillet until browned. Drain excess grease.
- In a mixing bowl, whisk together eggs, milk, garlic powder, onion powder, salt, and pepper.
- Spread the cooked sausage evenly in the baking dish.
- Sprinkle cheese over the sausage.
- Pour the egg mixture evenly on top.
- Add any optional vegetables.
- Bake for 35–40 minutes or until the center is set and the edges are golden.
- Cool for 5 minutes before slicing.
How to Serve
This casserole is delicious on its own, but here are simple serving ideas:
- Pair with fresh fruit or a light green salad.
- Add a side of avocado for healthy fats.
- Serve with low-carb salsa, hot sauce, or Greek yogurt.
- Toasted low-carb bread or roasted potatoes for non-keto eaters.
Additional Tips
- For low-carb/keto, use heavy cream instead of milk and avoid starchy vegetables.
- Make it dairy-free by using almond milk + dairy-free cheese.
- Add sautéed mushrooms or spinach for extra nutrients.
- Use spicy sausage for a bolder flavor.
- Let the casserole rest before cutting for cleaner slices.
Recipe Variations
1. Keto Spinach & Sausage Bake
Add 2 cups fresh spinach + replace milk with heavy cream.
2. Southwest Breakfast Casserole
Add diced green chiles, pepper jack cheese, and salsa.
3. Mushroom & Swiss Egg Bake
Swap cheddar for Swiss and add 1 cup sautéed mushrooms.
4. Turkey Sausage Light Version
Use lean turkey sausage and low-fat cheese for a healthier profile.
Freezing & Storage
- Refrigerate: Store slices in airtight containers for up to 4 days.
- Freeze: Wrap individual pieces tightly and freeze for up to 2 months.
- Reheat: Warm in microwave for 1–2 minutes or bake at 300°F for 10–12 minutes.
- Ideal for meal prep, grab-and-go breakfasts, or busy workdays.
Special Equipment
9×13 Baking Dish
Large Skillet
Mixing Bowl
Whisk
Measuring Cups & Spoons
FAQs
Can I make this casserole keto-friendly?
Yes! Swap milk for heavy cream, use low-carb veggies, and ensure the sausage has no added sugar.
Can I use turkey sausage instead of ground?
Absolutely, any ground breakfast sausage works.
Can I make this ahead of time?
Yes! Assemble it the night before, cover tightly, refrigerate, and bake in the morning.
Can I add vegetables?
Yes, spinach, mushrooms, peppers, onions, and zucchini all work great.
Can I make this dairy-free?
Use dairy-free cheese and unsweetened almond milk.
Conclusion
This sausage and egg casserole brings together comfort, protein, and simplicity in every bite. Whether you’re hosting brunch or prepping for the week, this dish fits into healthy breakfast recipes easy, savory breakfast ideas, and family-friendly meal planning. It’s adaptable, delicious, an