Sausage & Egg Keto Breakfast Casserole
This Sausage & Egg Keto Breakfast Casserole is a delightful dish that’s perfect for any occasion, from holiday gatherings to busy weekday breakfasts. It combines savory sausage, fresh spinach, and creamy eggs into a delicious meal that supports your keto lifestyle. With just 1g net carb per serving, this casserole is not only low-carb but also packed with flavor, making it an easy and satisfying choice for meal prep or family feasts.
Why You’ll Love This Recipe
- Easy to Prepare: This casserole comes together quickly, with just 15 minutes of prep time.
- Meal Prep Friendly: Perfect for make-ahead breakfasts; simply reheat portions throughout the week.
- Keto-Friendly: With only 1g net carbs per serving, it fits perfectly into your low-carb diet.
- Versatile Ingredients: Customize with your favorite veggies or cheeses to suit your taste.
- Great for Holidays: Impress guests at brunches and family gatherings without much fuss.
Tools and Preparation
To create this delicious casserole, you’ll need some essential kitchen tools. Having the right equipment makes the process smoother and more enjoyable.
Essential Tools and Equipment
- Large mixing bowl
- Skillet
- Baking dish
- Whisk
- Spatula
Importance of Each Tool
- Large mixing bowl: Ideal for whisking together the egg mixture thoroughly.
- Skillet: Used to cook the sausage evenly while allowing you to break it into crumbles.
- Baking dish: Ensures even cooking of the casserole while providing a beautiful serving presentation.
Ingredients
This cheesy sausage and egg breakfast casserole is super easy to make and great for meal prep and holiday breakfasts. With only 1g net carb per serving, it’s keto-friendly, low carb, and gluten free.
For the 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 the 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, white parts of scallions, and chopped parsley in the bottom of the dish. Set aside.
Step 2: Cook the Sausage
In a large skillet over medium heat, cook the breakfast sausage. Stir often as it cooks, breaking it into small pieces with a spatula or wooden spoon until browned and crumbled.
Step 3: Whisk Egg Mixture
While the sausage cooks, whisk together in a large mixing bowl the eggs, heavy cream, garlic powder, salt, and pepper. Once combined, gently fold in shredded cheddar cheese.
Step 4: Assemble Casserole
Layer the cooked sausage on top of the spinach leaves in your baking dish. Pour the egg mixture evenly over the sausage to ensure every bite is flavorful.
Step 5: Bake
Place your baking dish in the preheated oven. Bake for 20 to 25 minutes or until firm and cooked through. 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
Serving your Sausage & Egg Keto Breakfast Casserole is a great way to bring family and friends together. This dish is versatile and can be enjoyed in various ways, making it perfect for any occasion.
For a Holiday Brunch
- Festive Garnishes: Top with fresh herbs like parsley or chives for a pop of color.
- Add Fruit: Serve with berries or citrus slices for a refreshing contrast.
As Meal Prep
- Pre-portioned Servings: Cut the casserole into squares and store in individual containers for easy grab-and-go breakfasts.
- Reheat Options: Microwave or oven reheat for quick meals throughout the week.
With Additional Toppings
- Sour Cream or Greek Yogurt: Add a dollop on top for creaminess.
- Hot Sauce: Drizzle some hot sauce for a spicy kick.
Paired with Salads
- Side Salad: A simple green salad can add freshness and crunch.
- Coleslaw: A tangy coleslaw complements the richness of the casserole.

How to Perfect Sausage & Egg Keto Breakfast Casserole
Perfecting your Sausage & Egg Keto Breakfast Casserole can elevate your cooking game. Here are some tips to ensure you get it just right:
- seasoning: Use additional spices like paprika or cayenne pepper to enhance flavor.
- Quality sausage: Choose high-quality sausage for better taste and texture.
- Fresh ingredients: Opt for fresh spinach and herbs for optimal flavor and nutrients.
- Cheese variety: Mix different cheeses, such as mozzarella or pepper jack, for added complexity.
- Check doneness: Ensure eggs are fully set by testing the center with a knife; it should come out clean.
Best Side Dishes for Sausage & Egg Keto Breakfast Casserole
Complementing your Sausage & Egg Keto Breakfast Casserole with side dishes can make the meal even more delightful. Here are some great options:
- Avocado Slices: Creamy avocado adds healthy fats and balances the dish nicely.
- Bacon Strips: Crispy bacon provides extra protein and a savory crunch.
- Zucchini Noodles: Light and versatile, zucchini noodles can be sautéed as a low-carb pasta alternative.
- Tomato Salad: A refreshing tomato salad with olive oil and basil enhances flavor profiles beautifully.
- Cauliflower Rice: This low-carb option is perfect as a side that absorbs flavors well.
- Roasted Brussels Sprouts: Crispy Brussels sprouts add texture while being keto-friendly.
Common Mistakes to Avoid
When making your Sausage & Egg Keto Breakfast Casserole, it’s easy to make some common errors. Here are a few mistakes to watch out for:
- Skipping the seasoning – Not adding enough seasoning can lead to a bland casserole. Make sure to season your egg mixture well with salt, pepper, and garlic powder.
- Overcooking the sausage – Cooking the sausage too long can dry it out. Aim for a nice browning without excessive cooking time.
- Ignoring ingredient temperatures – Using cold eggs or cream can affect the texture. Let these ingredients sit at room temperature for about 15 minutes before mixing.
- Not greasing the dish properly – A poorly greased baking dish can lead to sticking, making it hard to serve. Use a non-stick spray or butter to coat the dish well.
- Cutting too early – Slicing the casserole before it has cooled slightly can cause it to fall apart. Allow it to rest for a few minutes after baking.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container for up to 4 days.
- Ensure it cools completely before sealing.
Freezing Sausage & Egg Keto Breakfast Casserole
- Freeze in an airtight container or freezer bag for up to 2 months.
- Cut into squares before freezing for easy portions.
Reheating Sausage & Egg Keto Breakfast Casserole
- Oven – Preheat oven to 350°F and bake for 15-20 minutes until heated through.
- Microwave – Heat individual portions on high for 1-2 minutes until warm, checking frequently.
- Stovetop – Reheat in a skillet over medium heat with a splash of water, covering until warmed.
Frequently Asked Questions
Here are some common questions about the Sausage & Egg Keto Breakfast Casserole:
Can I customize my Sausage & Egg Keto Breakfast Casserole?
Yes! You can add vegetables like bell peppers or mushrooms, or swap out the cheese for your favorite type.
How many servings does this casserole make?
This recipe yields 12 servings, making it perfect for meal prep or feeding a group.
Is this casserole gluten-free?
Absolutely! This Sausage & Egg Keto Breakfast Casserole is naturally gluten-free as it doesn’t contain any grains.
Can I use different types of sausage?
Yes! Feel free to use turkey sausage or any other preferred variety, but ensure it’s fully cooked if pre-packaged.
Final Thoughts
The Sausage & Egg Keto Breakfast Casserole is not only delicious but also versatile and easy to prepare. Perfect for meal prep or serving at holiday gatherings, you can customize it with your favorite ingredients. Give it a try and enjoy a cozy breakfast that fits perfectly into your keto lifestyle!

Sausage & Egg Keto Breakfast Casserole
- Total Time: 40 minutes
- Yield: Approximately 12 servings 1x
Description
Savor the rich flavors of this Sausage & Egg Keto Breakfast Casserole, a delightful dish perfect for both busy mornings and festive gatherings. This hearty casserole combines savory breakfast sausage, fresh spinach, and creamy eggs into a satisfying meal that aligns perfectly with your keto lifestyle. With only 1g of net carbs per serving, it’s an ideal choice for meal prep or serving a crowd without compromising taste. Easy to prepare in just 15 minutes, this versatile recipe allows you to customize ingredients to match your preferences. Whether you’re hosting a holiday brunch or looking for a nutritious breakfast option throughout the week, this delicious casserole is sure to impress and nourish.
Ingredients
- 3 cups fresh spinach
- 4 scallions
- 16 ounces breakfast sausage
- 12 large eggs
- ¾ cup heavy cream
- 2 cups shredded cheddar cheese
Instructions
- Preheat oven to 375°F and grease a baking dish.
- Layer spinach, white parts of scallions, and parsley in the dish.
- Cook sausage in a skillet over medium heat until browned.
- Whisk together eggs, heavy cream, garlic powder, salt, and pepper in a bowl; fold in cheese.
- Layer cooked sausage over spinach and pour egg mixture on top.
- Bake for 20-25 minutes until firm; slice into squares and serve warm.
- Prep Time: 15 minutes
- Cook Time: 25 minutes
- Category: Breakfast
- Method: Baking
- Cuisine: Keto
Nutrition
- Serving Size: 1 square (approximately 100g)
- Calories: 290
- Sugar: 1g
- Sodium: 540mg
- Fat: 22g
- Saturated Fat: 10g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 3g
- Fiber: 2g
- Protein: 19g
- Cholesterol: 310mg