Keto breakfast casserole is a delicious, low-carb way to start your day with a hearty, satisfying meal. Loaded with eggs, cheese, and your favorite keto-friendly ingredients, this casserole is perfect for meal prep, family breakfasts, or brunch gatherings.
Why You’ll Love This Recipe
- Low-carb and keto-friendly: Packed with protein and healthy fats.
- Easy to make: Minimal prep, just mix and bake.
- Customizable: Add your favorite meats, cheeses, and veggies.
- Great for meal prep: Make it ahead and enjoy breakfast all week.
Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
- Eggs
- Heavy cream
- Shredded cheese (cheddar, mozzarella, or your favorite blend)
- Breakfast sausage or bacon, cooked and crumbled
- Bell peppers, diced
- Spinach or kale, chopped
- Mushrooms, sliced (optional)
- Onion, finely diced
- Garlic, minced
- Salt and pepper
- Optional: Hot sauce or paprika for added flavor
Directions
- Preheat the oven: Set your oven to 375°F (190°C) and grease a 9×13-inch baking dish.
- Prepare the filling: Cook the breakfast sausage or bacon in a skillet over medium heat until browned. Remove and set aside. In the same skillet, sauté onions, garlic, mushrooms, and bell peppers until softened. Add spinach and cook until wilted.
- Mix the egg base: In a large bowl, whisk together the eggs, heavy cream, salt, and pepper. Stir in half of the shredded cheese.
- Assemble the casserole: Spread the cooked sausage or bacon evenly in the baking dish. Add the sautéed vegetables on top. Pour the egg mixture over the fillings and sprinkle the remaining cheese on top.
- Bake: Bake for 30-35 minutes, or until the eggs are set and the top is golden brown.
- Serve: Let the casserole cool for a few minutes before slicing and serving.
Servings and Timing
- Servings: 6-8
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Total Time: 50 minutes
Variations
- Mexican Style: Add diced green chilies, chorizo, and a sprinkle of cilantro.
- Vegetarian: Skip the meat and load up on extra veggies like zucchini or broccoli.
- Spicy Kick: Stir in chopped jalapeños or a dash of hot sauce.
- Cheese Lover’s: Use a mix of cheeses like pepper jack, feta, or gouda.
- Herbaceous Touch: Add fresh herbs like parsley, dill, or chives for a fresh flavor boost.
Storage/Reheating
- Storage: Store leftovers in an airtight container in the refrigerator for up to 5 days.
- Freezing: Freeze individual portions for up to 3 months. Thaw overnight in the refrigerator before reheating.
- Reheating: Warm slices in the microwave or oven at 300°F until heated through.
FAQs
Can I use almond milk instead of heavy cream?
Yes, but the casserole may be slightly less creamy. Unsweetened almond milk is a good keto-friendly alternative.
Can I make this casserole dairy-free?
Yes, use a non-dairy milk like almond milk and omit the cheese or use a dairy-free alternative.
What’s the best way to tell if the casserole is done?
The eggs should be fully set, and a knife inserted in the center should come out clean.
Can I prep this casserole the night before?
Yes! Assemble the casserole, cover, and refrigerate overnight. Bake it fresh in the morning.
What type of sausage is best for this recipe?
Breakfast sausage or Italian sausage works well. Just make sure it’s keto-friendly with no added sugars.
Can I add more protein?
Absolutely! Add diced ham, shredded chicken, or even salmon for extra protein.
How do I keep the casserole from sticking to the pan?
Grease the baking dish generously with butter, oil, or cooking spray before adding the ingredients.
Can I make this in a smaller dish?
Yes, but you may need to adjust the cooking time depending on the thickness of the casserole.
Is this casserole gluten-free?
Yes, this recipe is naturally gluten-free as written.
Can I serve this with a side dish?
Sure! Pair it with a fresh green salad, avocado slices, or roasted vegetables for a complete meal.
Conclusion
Keto breakfast casserole is a versatile, satisfying dish that’s perfect for starting your day on the right note. Whether you’re cooking for a crowd or planning ahead for the week, this easy recipe delivers delicious, low-carb goodness every time. Try it today and enjoy a hearty, keto-friendly breakfast!
Print
Keto Breakfast Casserole
- Prep Time: 10 minutes
- Cook Time: 35 minutes
- Total Time: 45 minutes
- Yield: 8 servings 1x
- Category: Breakfast
- Method: Baking
- Cuisine: American
Description
This Keto Breakfast Casserole is a hearty, low-carb dish that’s perfect for meal prep or feeding a crowd. Packed with eggs, cheese, sausage, and veggies, it’s a satisfying and delicious way to start your day while staying keto-friendly.
Ingredients
- 12 large eggs
- 1/2 cup heavy cream
- 1/2 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper
- 1 lb breakfast sausage (ground, no sugar added)
- 1/2 cup bell peppers (diced, any color)
- 1/2 cup spinach (chopped)
- 1 cup shredded cheddar cheese
- 1/2 cup shredded mozzarella cheese
Instructions
- Preheat the oven: Preheat your oven to 375°F (190°C). Grease a 9×13-inch baking dish with cooking spray or butter.
- Cook the sausage: In a large skillet over medium heat, cook the breakfast sausage until browned and fully cooked. Drain any excess grease and set aside.
- Prepare the egg mixture: In a large mixing bowl, whisk together eggs, heavy cream, garlic powder, onion powder, salt, and pepper until well combined.
- Assemble the casserole: Spread the cooked sausage evenly over the bottom of the prepared baking dish. Sprinkle the diced bell peppers, spinach, and shredded cheddar cheese over the sausage.
- Pour the eggs: Pour the egg mixture evenly over the ingredients in the baking dish. Sprinkle the mozzarella cheese on top.
- Bake: Bake in the preheated oven for 30–35 minutes, or until the eggs are set and the top is golden brown.
- Serve: Let the casserole cool for 5–10 minutes before slicing and serving.
Notes
- Add variety with other low-carb veggies like mushrooms, zucchini, or broccoli.
- Substitute sausage with cooked bacon or ham for a different protein.
- Leftovers can be stored in the fridge for up to 5 days or frozen for up to 3 months. Reheat in the microwave or oven before serving.