Sausage & Egg Keto Breakfast Casserole
This Sausage & Egg Keto Breakfast Casserole is the perfect dish for busy mornings or special occasions. Easy to prepare, low in carbs, and packed with flavor, this casserole is a versatile choice for meal prep or holiday breakfasts. With only 1g net carb per serving, it’s keto-friendly and gluten-free, making it suitable for various dietary needs while satisfying your cravings for a hearty breakfast.
Why You’ll Love This Recipe
- Quick and Easy: This casserole can be assembled in just 15 minutes, making it perfect for busy mornings.
- Meal Prep Friendly: Prepare it ahead of time and refrigerate or freeze for an easy breakfast throughout the week.
- Flavor-Packed: The combination of sausage, eggs, and cheese guarantees a deliciously rich taste that will please everyone at the table.
- Low Carb Delight: With only 1g net carbs per serving, this dish fits perfectly into any keto diet plan without sacrificing flavor.
- Versatile Serving Options: Serve it warm as a main dish or slice it into squares for a tasty brunch buffet.
Tools and Preparation
To make your cooking experience seamless, gather the necessary tools before you start. Having everything ready will help you focus on creating this delicious casserole.
Essential Tools and Equipment
- Large mixing bowl
- Skillet
- Baking dish
- Whisk
- Spatula
Importance of Each Tool
- Large mixing bowl: A spacious bowl allows for easy mixing of ingredients without spills.
- Skillet: Essential for cooking the sausage evenly and achieving that perfect golden brown color.
- Baking dish: A good-quality baking dish ensures even cooking and easy serving of your casserole.
Ingredients
For the Casserole Base
- 3 cups spinach leaves (fresh, uncooked)
- 4 scallions (sliced, white and green parts separated)
- ¼ cup chopped fresh parsley
For the Filling
- 16 ounces breakfast sausage (see Notes)
- 12 large eggs
- ¾ cup heavy cream
- ½ teaspoon garlic powder
- ½ teaspoon kosher salt
- ¼ teaspoon freshly cracked black pepper
For Topping
- 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. Layer the spinach leaves at the bottom along with the white parts of scallions and chopped parsley. Set aside.
Step 2: Cook the Sausage
In a large skillet over medium heat:
1. Add breakfast sausage.
2. Cook until browned and crumbled, stirring often to break up the sausage into small pieces with a spatula or wooden spoon.
Step 3: Prepare the Egg Mixture
While the sausage is cooking:
1. In a large mixing bowl, whisk together eggs, heavy cream, garlic powder, salt, and pepper until fully combined.
2. Gently fold in shredded cheddar cheese to incorporate it evenly into the mixture.
Step 4: Assemble the Casserole
Layer the cooked sausage on top of the spinach leaves in your baking dish:
1. Pour the egg mixture over the sausage.
2. Ensure that you distribute it as evenly as possible across the baking dish.
Step 5: Bake and Serve
Place your prepared baking dish in the preheated oven:
1. Bake for 20 to 25 minutes or until casserole is firm and eggs are thoroughly cooked.
2. Remove from oven, slice into 12 squares, garnish with green parts of scallions and additional shredded cheese if desired. Serve warm!
How to Serve Sausage & Egg Keto Breakfast Casserole
This delicious Sausage & Egg Keto Breakfast Casserole is perfect for any meal, whether you’re hosting a holiday breakfast or prepping for the week ahead. Here are some serving suggestions to elevate your dish.
Garnish with Fresh Herbs
- Chopped parsley: Sprinkle fresh parsley on top for added flavor and color.
- Scallions: Add a sprinkle of the green parts of scallions for a mild onion taste and crunch.
Pair with Avocado Slices
- Creamy avocado: Serve alongside ripe avocado slices for a rich texture and healthy fats that complement the casserole perfectly.
Add a Side Salad
- Mixed greens salad: Pair with a light salad featuring mixed greens, cherry tomatoes, and your favorite vinaigrette for a refreshing contrast.
Serve with Hot Sauce
- Spicy kick: Provide hot sauce on the side for those who enjoy a little heat with their breakfast.
Enjoy with Sugar-Free Ketchup
- Flavorful dip: Offer sugar-free ketchup as a tasty condiment option that pairs well with the savory flavors of the casserole.

How to Perfect Sausage & Egg Keto Breakfast Casserole
To ensure your Sausage & Egg Keto Breakfast Casserole turns out perfectly every time, consider these helpful tips.
- Use fresh ingredients: Fresh spinach, herbs, and high-quality sausage will enhance the overall taste and texture.
- Beat eggs well: Whisking eggs thoroughly ensures they mix evenly with the cream, resulting in a fluffy casserole.
- Don’t overbake: Keep an eye on baking time; remove from oven when eggs are just set to avoid dryness.
- Let it rest: Allow the casserole to cool for a few minutes before slicing. This helps it hold its shape better when serving.
- Customize cheese options: Feel free to experiment with different cheeses like mozzarella or pepper jack for varied flavors.
- Store properly: Keep leftovers in an airtight container in the refrigerator for up to 4 days or freeze portions for later enjoyment.
Best Side Dishes for Sausage & Egg Keto Breakfast Casserole
Looking for sides to serve alongside your Sausage & Egg Keto Breakfast Casserole? Here are some great options that complement this hearty dish.
- Sautéed Asparagus: Lightly sauté asparagus in olive oil and garlic for a crunchy, healthy side.
- Cauliflower Hash Browns: Crispy cauliflower hash browns make for a delightful low-carb alternative to traditional potatoes.
- Zucchini Noodles: Toss zucchini noodles in olive oil and season them lightly; they add freshness and fiber.
- Greek Yogurt: A small bowl of plain Greek yogurt topped with berries provides protein and sweetness without added sugar.
- Bacon or Turkey Bacon: Crispy bacon adds another layer of savoriness that pairs well with eggs and sausage.
- Roasted Brussels Sprouts: Roasted Brussels sprouts tossed in balsamic glaze offer a slightly sweet flavor that balances the casserole’s richness.
Common Mistakes to Avoid
When making your Sausage & Egg Keto Breakfast Casserole, it’s easy to overlook a few key steps that can affect the final dish. Here are some common mistakes to watch for.
- Ingredients: Not using fresh ingredients can lead to a bland casserole. Always opt for fresh herbs and quality sausage for the best flavor.
- Overmixing: Overmixing the egg mixture can make the casserole dense. Gently fold in the cheese to maintain a light texture.
- Skipping Layers: Forgetting to layer ingredients properly may result in uneven cooking. Ensure the spinach and sausage are evenly distributed for consistent results.
- Incorrect Baking Time: Baking too long or too short can affect texture. Keep an eye on your casserole, and check for firmness after 20 minutes.
- Not Letting It Rest: Cutting into the casserole immediately after baking can cause it to crumble. Let it rest for a few minutes before slicing.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container.
- Consume within 3-4 days for best quality.
Freezing Sausage & Egg Keto Breakfast Casserole
- Wrap portions tightly in plastic wrap or foil before placing them in a freezer-safe container.
- Freeze for up to 2 months.
Reheating Sausage & Egg Keto Breakfast Casserole
- Oven: Preheat to 350°F, cover with foil, and heat for about 15-20 minutes until warmed through.
- Microwave: Use medium power and heat individual portions for 1-2 minutes, checking frequently.
- Stovetop: Heat slices in a non-stick skillet over medium heat until warmed, about 5 minutes per side.
Frequently Asked Questions
Here are some common questions about making a Sausage & Egg Keto Breakfast Casserole.
Can I customize the Sausage & Egg Keto Breakfast Casserole?
Yes! You can add veggies like bell peppers or mushrooms, or switch up the cheese according to your preference.
What type of sausage should I use?
Look for a breakfast sausage that is low in carbs and sugar. You can also choose turkey or chicken sausage as healthier alternatives.
How many servings does this recipe yield?
This recipe makes approximately 12 servings, perfect for meal prep or family breakfasts!
Can I make this casserole ahead of time?
Absolutely! You can prepare it the night before and bake it in the morning for a hassle-free breakfast.
Is this recipe suitable for meal prep?
Yes! The Sausage & Egg Keto Breakfast Casserole is great for meal prep; just store it properly as mentioned above.
Final Thoughts
The Sausage & Egg Keto Breakfast Casserole is not only delicious but also versatile, allowing you to customize ingredients based on your taste preferences. It’s perfect for holiday gatherings or simply enjoying throughout the week. Give it a try and feel free to experiment with different vegetables or cheeses!
Breakfast

Sausage & Egg Keto Breakfast Casserole
- Total Time: 40 minutes
- Yield: Approximately 12 servings 1x
Description
Savor the flavors of a hearty breakfast with this Sausage & Egg Keto Breakfast Casserole. Perfect for busy mornings or special gatherings, this dish is a breeze to prepare and is low in carbs, making it an ideal choice for keto enthusiasts. Packed with savory sausage, creamy eggs, and melted cheddar cheese, each serving boasts only 1g of net carbs while delivering a rich taste that satisfies your morning cravings. Not only is it gluten-free, but it’s also meal prep-friendly; simply make it ahead of time and enjoy it throughout the week. Whether served warm as a main dish or sliced into squares for a brunch buffet, this casserole will delight everyone at your table.
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
Instructions
- Preheat the oven to 375°F and lightly grease a baking dish.
- Layer spinach leaves on the bottom of the dish.
- In a skillet over medium heat, cook the sausage until browned.
- In a bowl, whisk together eggs, heavy 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; slice and serve warm.
- Prep Time: 15 minutes
- Cook Time: 25 minutes
- Category: Breakfast
- Method: Baking
- Cuisine: Keto
Nutrition
- Serving Size: 1 serving
- Calories: 250
- Sugar: 1g
- Sodium: 550mg
- Fat: 19g
- Saturated Fat: 9g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 3g
- Fiber: 2g
- Protein: 15g
- Cholesterol: 220mg