Sausage & Egg Keto Breakfast Casserole
This Sausage & Egg Keto Breakfast Casserole is a delicious, wholesome dish that suits any occasion. Whether you’re prepping for a busy week or hosting a holiday brunch, this casserole is your go-to recipe. With only 1g net carb per serving, it’s not only keto-friendly but also gluten-free and low-carb. The combination of creamy eggs, savory sausage, and vibrant spinach makes this dish both flavorful and satisfying.
Why You’ll Love This Recipe
- Easy to Prepare: This casserole comes together quickly, making it perfect for busy mornings or meal prep.
- Flavorful and Filling: Packed with cheese and sausage, each bite is rich in flavor and protein.
- Versatile for Occasions: Great for breakfast, brunch, or even as a make-ahead meal for guests during the holidays.
- Low Carb Delight: Only 1g net carbs per serving ensures it fits perfectly into your keto lifestyle.
- Meal Prep Friendly: Make it ahead of time and reheat for an easy breakfast solution throughout the week.
Tools and Preparation
Before you start making the Sausage & Egg Keto Breakfast Casserole, gather your tools. The right equipment makes cooking easier and more enjoyable.
Essential Tools and Equipment
- Large mixing bowl
- Skillet
- Baking dish
- Whisk
- Spatula
Importance of Each Tool
- Large mixing bowl: Allows you to comfortably whisk the egg mixture without spills.
- Skillet: Ideal for cooking the breakfast sausage evenly until browned.
- Baking dish: Provides the perfect size to bake the casserole in one layer for even cooking.
Ingredients
Fresh Greens
- 3 cups spinach leaves (fresh, uncooked)
- 4 scallions (sliced, white and green parts separated)
- ¼ cup chopped fresh parsley
Protein Base
- 16 ounces breakfast sausage (see Notes)
Dairy Ingredients
- 12 large eggs
- ¾ cup heavy cream
- 2 cups freshly shredded cheddar cheese (see Notes)
Seasoning
- ½ teaspoon garlic powder
- ½ teaspoon kosher salt
- ¼ teaspoon freshly cracked black pepper
How to Make Sausage & Egg Keto Breakfast Casserole
Step 1: Preheat the Oven
Preheat your oven to 375° Fahrenheit. Lightly grease a baking dish with cooking spray or butter. In the bottom of this dish, layer the spinach leaves, white parts of the scallions, and chopped parsley. Set aside.
Step 2: Cook the Sausage
In a large skillet over medium heat:
1. Add the breakfast sausage.
2. Cook until browned and crumbled, stirring often.
3. Use a spatula or wooden spoon to break it into small pieces.
Step 3: Prepare the Egg Mixture
While the sausage cooks:
1. In a large mixing bowl, whisk together the eggs, heavy cream, garlic powder, kosher salt, and black pepper until well combined.
2. Gently fold in the shredded cheddar cheese.
Step 4: Assemble the Casserole
Layer cooked sausage on top of the spinach leaves in your baking dish. Pour the egg mixture over the sausage evenly.
Step 5: Bake and Serve
Place your baking dish in the preheated oven:
1. Bake for 20 to 25 minutes or until firm and cooked through.
2. Remove from oven, slice into 12 squares, garnish with green parts of scallions and additional cheese if desired.
3. Serve warm.
Enjoy your delicious Sausage & Egg Keto Breakfast Casserole!
How to Serve Sausage & Egg Keto Breakfast Casserole
Sausage & Egg Keto Breakfast Casserole is a versatile dish that can be enjoyed in various ways. Whether you’re hosting a brunch or enjoying a quiet family breakfast, these serving suggestions will enhance your meal.
For a Hearty Breakfast
- Serve with Avocado: Sliced avocado adds creaminess and healthy fats, making this breakfast even more satisfying.
- Pair with Salsa: A dollop of fresh salsa brings a zesty flavor that complements the casserole perfectly.
As Meal Prep
- Portion for the Week: Slice the casserole into squares and store in individual containers for quick breakfasts throughout the week.
- Freeze for Later: Wrap portions tightly and freeze them for an easy future meal. Just reheat when ready to enjoy.
With Fresh Greens
- Add a Side Salad: A light green salad with vinaigrette offers a refreshing contrast to the rich casserole.
- Include Pickled Veggies: Pickled cucumbers or radishes can provide a tangy crunch that enhances every bite.
For Holiday Celebrations
- Garnish with Fresh Herbs: Top with additional parsley or scallions for a festive touch.
- Serve with Bubbly Drinks: Pair it with mimosas or sparkling water for a celebratory feel.

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 and herbs enhance flavor and nutrition, making your casserole more delicious.
- Pre-cook Your Sausage: Browning the sausage well adds depth of flavor. Don’t rush this step!
- Whisk Eggs Thoroughly: Ensuring eggs are well mixed will lead to a fluffier casserole texture.
- Avoid Over-baking: Keep an eye on cooking time; over-baking can lead to dry eggs. Check at 20 minutes.
- Experiment with Cheese: Try different types of cheese like pepper jack or mozzarella for varied flavors.
- Adjust Seasonings: Feel free to tweak spices based on personal preferences for added zest.
Best Side Dishes for Sausage & Egg Keto Breakfast Casserole
Complement your Sausage & Egg Keto Breakfast Casserole with these delightful side dishes. Each option adds variety and balances the meal beautifully.
- Fresh Fruit Salad: A mix of berries offers natural sweetness and vibrant color, perfect for breakfast.
- Greek Yogurt Parfait: Layer Greek yogurt with nuts and seeds for added protein and crunch.
- Bacon Strips: Crispy bacon pairs excellently, adding savory richness that complements the casserole.
- Roasted Brussels Sprouts: These can add a crispy texture while staying in line with keto-friendly choices.
- Zucchini Noodles: Lightly sautéed zucchini noodles provide a low-carb pasta alternative that pairs well.
- Chia Seed Pudding: A sweet option made ahead of time, offering fiber and healthy fats without carbs.
- Cauliflower Rice: This low-carb substitute is great for those wanting an extra veggie boost at breakfast.
- Cheese Crisps: Crunchy cheese crisps make a flavorful snack that goes well alongside this hearty dish.
Common Mistakes to Avoid
When making a Sausage & Egg Keto Breakfast Casserole, it’s easy to overlook some key steps. Avoid these common mistakes to ensure your casserole turns out perfectly.
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Skipping the Greasing Step: Failing to grease your baking dish can lead to a casserole that sticks. Always apply a light coat of oil or cooking spray before adding ingredients.
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Overcooking the Sausage: Cooking the sausage too long can make it dry. Aim for a golden-brown color but remove it from heat while it’s still juicy.
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Not Distributing Ingredients Evenly: If you don’t layer your ingredients properly, some bites may be bland. Spread spinach and sausage evenly before pouring in the egg mixture.
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Using Cold Eggs: Starting with cold eggs can impact cooking time and texture. Allow eggs to reach room temperature for a fluffier result.
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Ignoring Cooking Time: Overbaking can lead to rubbery eggs. Check for doneness at 20 minutes, and keep an eye on it as it cooks.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container.
- Keep in the refrigerator for up to 4 days for best flavor and freshness.
Freezing Sausage & Egg Keto Breakfast Casserole
- Use freezer-safe containers or wrap portions tightly in plastic wrap.
- Freeze for up to 3 months; label each container with the date for easy tracking.
Reheating Sausage & Egg Keto Breakfast Casserole
- Oven: Preheat oven to 350°F. Cover with foil and heat for about 20 minutes or until warmed through.
- Microwave: Place a portion on a microwave-safe plate. Heat on high for 1-2 minutes, checking halfway.
- Stovetop: Heat in a skillet over low heat until warmed, stirring occasionally.
Frequently Asked Questions
Here are some common questions about the Sausage & Egg Keto Breakfast Casserole that you might find helpful.
What is a Sausage & Egg Keto Breakfast Casserole?
This casserole is a delicious low-carb dish made with eggs, sausage, spinach, and cheese, perfect for those following a keto diet.
Can I customize my Sausage & Egg Keto Breakfast Casserole?
Absolutely! You can add different vegetables or use various types of cheese based on your preferences.
How do I ensure my casserole is fluffy?
To achieve fluffiness, whisk the eggs thoroughly and avoid overcooking them in the oven.
Is this casserole suitable for meal prep?
Yes! This recipe is great for meal prep, allowing you to enjoy breakfast throughout the week without hassle.
Final Thoughts
The Sausage & Egg Keto Breakfast Casserole is not just delicious; it’s also versatile enough for any occasion. Whether you’re prepping meals or hosting a holiday breakfast, this recipe is sure to impress. Feel free to customize it with your favorite ingredients to make it truly your own!

Sausage & Egg Keto Breakfast Casserole
- Total Time: 40 minutes
- Yield: Serves 12 1x
Description
Savor the goodness of our Sausage & Egg Keto Breakfast Casserole, a delightful dish that combines creamy eggs, savory sausage, and vibrant greens for a satisfying start to your day. Perfect for busy mornings or special occasions, this casserole is keto-friendly with just 1g net carb per serving, making it an ideal low-carb option. Easy to prepare and packed with flavor, it’s your go-to meal prep solution for nutritious breakfasts throughout the week. Whether enjoyed alone or paired with fresh avocado and salsa, this hearty breakfast will keep you energized and satisfied.
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 your oven to 375°F and grease a baking dish.
- Layer spinach in the dish.
- Cook sausage in a skillet until browned; crumble into small pieces.
- In a bowl, whisk eggs, cream, garlic powder, salt, pepper, and 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 serving
- Calories: 360
- Sugar: 1g
- Sodium: 650mg
- Fat: 29g
- Saturated Fat: 15g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 2g
- Fiber: 1g
- Protein: 22g
- Cholesterol: 300mg