Sausage & Egg Keto Breakfast Casserole
This Sausage & Egg Keto Breakfast Casserole is a delicious and convenient dish, perfect for any occasion, from holiday gatherings to busy weekday breakfasts. It’s not only easy to prepare but also packed with flavor and low in carbs, making it an ideal choice for those following a keto lifestyle. With just 1g net carb per serving, this casserole is a hearty meal that keeps you satisfied without the guilt.
Why You’ll Love This Recipe
- Quick and Easy: This casserole comes together in under an hour, making it a great option for meal prep.
- Flavor-Packed: The combination of sausage, spinach, and cheese creates a rich taste that everyone will enjoy.
- Versatile Meal: Ideal for breakfast, brunch, or even dinner; it’s suitable for various occasions.
- Keto-Friendly: With only 1g net carbs per serving, it fits perfectly into your low-carb diet.
- Make-Ahead Option: Prepare it ahead of time and simply reheat for busy mornings.
Tools and Preparation
To create this tasty Sausage & Egg Keto Breakfast Casserole, you’ll need some essential kitchen tools to help streamline the process.
Essential Tools and Equipment
- Baking dish
- Large skillet
- Mixing bowl
- Whisk or fork
- Spatula
Importance of Each Tool
- Baking dish: A good quality baking dish ensures even cooking and easy serving of the casserole.
- Large skillet: This allows ample space for browning the sausage, which enhances the flavor of the dish.
- Mixing bowl: A sturdy mixing bowl is essential for combining the egg mixture thoroughly.
- Spatula: A spatula helps break up the sausage while cooking and aids in layering ingredients evenly in the baking dish.
Ingredients
Vegetables and Herbs
- 3 cups spinach leaves (fresh, uncooked)
- 4 scallions (sliced, white and green parts separated)
- ¼ cup chopped fresh parsley
Main Ingredients
- 16 ounces breakfast sausage (see Notes)
- 12 large eggs
- ¾ cup heavy cream
Seasonings
- ½ teaspoon garlic powder
- ½ teaspoon kosher salt
- ¼ teaspoon freshly cracked black pepper
Cheese
- 2 cups freshly shredded cheddar cheese (see Notes)
How to Make Sausage & Egg Keto Breakfast Casserole
Step 1: Preheat the Oven
Preheat your oven to 375° Fahrenheit. Lightly grease your baking dish to prevent sticking. Then layer spinach leaves at the bottom of the dish along with the white parts of scallions and chopped parsley. Set this aside while you prepare the filling.
Step 2: Cook the Sausage
In a large skillet over medium heat:
1. Add the breakfast sausage.
2. Cook until browned and crumbled; stir often to ensure even cooking.
3. Use a spatula or wooden spoon to break up any larger pieces.
Step 3: Prepare the Egg Mixture
While the sausage cooks:
1. In a large mixing bowl, whisk together eggs, heavy cream, garlic powder, kosher salt, and black pepper until well combined.
2. Gently fold in shredded cheddar cheese.
Step 4: Assemble the Casserole
Layer cooked sausage on top of the spinach mixture in your baking dish. Pour the egg mixture over the sausage evenly across the dish.
Step 5: Bake
Place your baking dish in the preheated oven:
1. Bake for 20 to 25 minutes or until firm and fully cooked through.
2. Once done, remove from oven and slice into 12 squares.
3. Garnish with green parts of scallions and extra shredded cheese if desired before serving warm.
Enjoy your delightful Sausage & Egg Keto Breakfast Casserole!
How to Serve Sausage & Egg Keto Breakfast Casserole
Serving your Sausage & Egg Keto Breakfast Casserole can be a delightful experience. This dish is versatile and pairs well with various accompaniments. Here are some serving suggestions to enhance your breakfast.
Garnish with Fresh Herbs
- Chopped Parsley: Add a sprinkle of fresh parsley on top for a burst of color and flavor.
- Green Onions: Use the green parts of the scallions as a garnish for extra crunch and freshness.
Pair with Avocado Slices
- Creamy Avocado: Serve slices of avocado on the side for healthy fats, which fit perfectly into a keto diet.
Accompany with Salsa
- Fresh Salsa: A spoonful of fresh salsa can add a refreshing kick to your casserole, enhancing the overall flavor profile.
Serve with a Side Salad
- Mixed Green Salad: A light salad with olive oil dressing can balance the richness of the casserole and add freshness.
Include Sugar-Free Ketchup
- Condiment Option: Offer sugar-free ketchup for those who enjoy a tangy addition to their breakfast.
Enjoy with Coffee or Tea
- Beverage Pairing: A cup of black coffee or herbal tea complements this hearty meal, rounding out your breakfast experience nicely.

How to Perfect Sausage & Egg Keto Breakfast Casserole
To achieve the best results with your Sausage & Egg Keto Breakfast Casserole, consider these helpful tips.
- Use Fresh Ingredients: Fresh spinach and herbs will enhance the flavor and nutritional value of your dish.
- Don’t Overcook the Eggs: Keep an eye on the baking time; overcooked eggs can lead to a rubbery texture.
- Experiment with Cheeses: Different cheeses like mozzarella or pepper jack can add unique flavors while keeping it keto-friendly.
- Customize Seasonings: Feel free to adjust garlic powder and salt according to your taste preferences for added depth in flavor.
- Make Ahead for Convenience: Prepare this casserole in advance; it holds up well in the fridge and reheats beautifully.
- Cut into Squares After Cooling: Allowing it to cool slightly before slicing helps maintain its shape and makes serving easier.
Best Side Dishes for Sausage & Egg Keto Breakfast Casserole
Complementing your Sausage & Egg Keto Breakfast Casserole with suitable side dishes can elevate your meal. Here are some great options to consider.
- Cauliflower Hash Browns: These low-carb alternatives provide a satisfying crunch without compromising your keto diet.
- Zucchini Noodles: Lightly sautéed zucchini noodles offer a fresh, veggie-packed side that pairs well with this casserole.
- Bacon Strips: Crispy bacon adds a savory note that enhances the overall flavor profile of your breakfast spread.
- Keto Pancakes: Made from almond flour or coconut flour, these pancakes are fluffy, delicious, and perfect for brunch.
- Greek Yogurt Parfait: Low-carb Greek yogurt layered with nuts makes a creamy, satisfying side dish that balances out flavors.
- Radish Home Fries: Oven-roasted radishes provide an interesting twist on traditional potatoes while staying within keto limits.
- Egg Muffins: Mini egg muffins packed with vegetables make for an easy-to-eat, protein-rich side option.
- Cheese Platter: An assortment of cheeses can serve as an elegant side that complements the casserole’s flavors beautifully.
Common Mistakes to Avoid
When making a Sausage & Egg Keto Breakfast Casserole, it’s easy to slip up. Here are some common mistakes and how to avoid them.
- Using stale ingredients: Always check your ingredients for freshness. Stale eggs or expired sausage can ruin your casserole.
- Not greasing the baking dish: Skipping this step can lead to a casserole that sticks. Make sure to lightly grease your dish to ensure easy serving.
- Overcooking the sausage: Cooking the sausage too long can make it tough. Brown it just until crumbled for the best texture.
- Skipping the whisking step: Failing to whisk eggs thoroughly can result in an uneven texture. Ensure all ingredients are well mixed for a creamy consistency.
- Neglecting seasoning: Under-seasoning can make your casserole bland. Don’t forget the salt and pepper; they enhance the flavors significantly.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container.
- This casserole will last up to 4 days in the refrigerator.
Freezing Sausage & Egg Keto Breakfast Casserole
- Wrap portions tightly in plastic wrap or aluminum foil before freezing.
- It can be frozen for up to 2 months for best quality.
Reheating Sausage & Egg Keto Breakfast Casserole
- Oven: Preheat oven to 350°F and bake covered for about 20 minutes, or until heated through.
- Microwave: Place a portion on a microwave-safe plate, cover, and heat on high for 1-2 minutes.
- Stovetop: Reheat in a skillet over medium heat, stirring occasionally until warmed through.
Frequently Asked Questions
Here are some common questions about the Sausage & Egg Keto Breakfast Casserole.
Can I customize the Sausage & Egg Keto Breakfast Casserole?
Yes! You can add vegetables like bell peppers or mushrooms for extra flavor and nutrition.
How do I know when the casserole is done?
The casserole is done when it’s firm and the eggs are fully cooked. A toothpick inserted should come out clean.
Can I use different types of cheese?
Absolutely! Feel free to substitute with your favorite cheese varieties, like mozzarella or pepper jack.
Is this recipe suitable for meal prep?
Yes! This Sausage & Egg Keto Breakfast Casserole is perfect for meal prep and can be made ahead of time for busy mornings.
Final Thoughts
This Sausage & Egg Keto Breakfast Casserole is not only delicious but also versatile. It’s perfect for holiday breakfasts or weekday meal prep. Try customizing it with your favorite veggies or spices to make it your own!

Sausage & Egg Keto Breakfast Casserole
- Total Time: 40 minutes
- Yield: Serves approximately 12 1x
Description
Savor the flavors of a Sausage & Egg Keto Breakfast Casserole, the perfect dish for any occasion—from busy weekday breakfasts to festive holiday gatherings. This hearty and satisfying casserole is packed with protein, rich in taste, and easy to prepare, making it an ideal choice for those on a low-carb diet. With only 1g net carbs per serving, it allows you to enjoy a delicious meal without the guilt. Layered with fresh spinach, savory sausage, and melty cheddar cheese, this versatile dish can be enjoyed at any time of day. Prepare it ahead for easy reheating on hectic mornings or serve it fresh from the oven for a delightful brunch experience.
Ingredients
- 3 cups fresh spinach leaves
- 16 ounces breakfast sausage
- 12 large eggs
- ¾ cup heavy cream
- 2 cups shredded cheddar cheese
- ½ teaspoon garlic powder
- ½ teaspoon kosher salt
- ¼ teaspoon freshly cracked black pepper
- 4 scallions (sliced, white and green parts separated)
- ¼ cup chopped fresh parsley
Instructions
- Preheat your oven to 375°F and grease a baking dish.
- Layer spinach at the bottom of the dish with scallions and parsley.
- Cook sausage in a skillet until browned; crumble into small pieces.
- In a bowl, whisk eggs with cream, garlic powder, salt, and pepper; fold in cheese.
- Layer cooked sausage over spinach and pour egg mixture on top.
- Bake for 20–25 minutes until firm; cool slightly before slicing into squares.
- Prep Time: 15 minutes
- Cook Time: 25 minutes
- Category: Main
- Method: Baking
- Cuisine: Keto
Nutrition
- Serving Size: 1 square (approximately 100g)
- Calories: 290
- Sugar: 1g
- Sodium: 730mg
- Fat: 22g
- Saturated Fat: 10g
- Unsaturated Fat: 11g
- Trans Fat: 0g
- Carbohydrates: 5g
- Fiber: 0g
- Protein: 21g
- Cholesterol: 320mg