Savory Keto Breakfast Casserole

Highlighted under: Clean Eating Recipes

I absolutely love starting my day with a hearty breakfast, and this Savory Keto Breakfast Casserole has quickly become a favorite in my kitchen. Packed with protein and rich flavors, it’s both satisfying and low in carbs. Each bite is filled with delicious ingredients like eggs, cheese, and crispy bacon, making it a perfect dish for anyone on a keto diet or simply looking for a filling meal. Whether I’m meal prepping for the week or serving it fresh on a Sunday morning, this casserole never disappoints!

Emily

Created by

Emily

Last updated on 2026-01-30T19:58:27.778Z

When I first made this Savory Keto Breakfast Casserole, I was amazed at how easy it was to whip up without sacrificing flavor. The combination of eggs, cheese, and meats results in a texture that is both creamy and satisfying. I love how versatile this dish can be; you can easily swap in your favorite veggies or proteins, making it a go-to recipe for any occasion.

This casserole typically takes just 20 minutes to prepare, and you can bake it while getting ready for the day. I recommend letting it sit for a few minutes before slicing—it holds together wonderfully and makes for a more appealing presentation. Enjoy this savory delight, knowing it's a nutritious start to your morning!

You'll Love This Recipe Because

  • Hearty and filling for a perfect morning boost
  • Packed with protein to keep you satisfied
  • Easily customizable with your favorite ingredients

The Role of Eggs and Cream

The foundation of this Savory Keto Breakfast Casserole lies in its main ingredients: eggs and heavy cream. The eggs not only provide a rich source of protein but also add structure to the casserole. When whisked with cream, the mixture becomes incredibly fluffy while baking. Make sure to whisk them until they are well combined and slightly frothy; this ensures a light, airy texture that contrasts beautifully with the crispy bacon and melted cheese.

Using heavy cream instead of milk significantly reduces the carb content, which is crucial for a keto diet. Heavy cream also contributes to a creamy, rich flavor that enhances the overall experience of the casserole. Remember, the cream should be at room temperature before mixing, as this helps prevent the eggs from cooking too quickly and ensures even blending.

Customizing Your Casserole

This casserole is incredibly versatile. You can easily swap out ingredients based on what you have on hand or your personal preferences. For instance, if you prefer turkey bacon or sausage, feel free to substitute them for the traditional bacon. Likewise, vegetables like diced zucchini, mushrooms, or cherry tomatoes can add different flavors and textures without affecting the dish's keto integrity.

To make it even more satisfying, consider adding a hint of spice with diced jalapeños or a sprinkle of smoked paprika. This dish also works beautifully with various cheese options. While cheddar is delicious, feel free to experiment with pepper jack for a kick or cream cheese for a richer flavor. Just keep the quantity the same to maintain balance in the egg mixture.

Storage and Reheating Tips

If you're meal prepping, this Savory Keto Breakfast Casserole stores beautifully in the refrigerator. Once cooled, cut it into individual portions and keep them in an airtight container for up to five days. I love making this ahead of time, as it allows for a quick breakfast option throughout the week.

To reheat, simply place a portion in the microwave for about 30-60 seconds, or until heated through. If you’re looking to serve it fresh again, pop it back in the oven at 350°F (175°C) for 10-15 minutes. This way, you can enjoy that just-baked, fluffy texture, reminiscent of its first outing.

Ingredients

For the Casserole

  • 12 large eggs
  • 1 cup heavy cream
  • 1/2 tsp salt
  • 1/4 tsp black pepper
  • 1 cup cooked bacon, crumbled
  • 1 cup shredded cheddar cheese
  • 1/2 cup diced bell peppers
  • 1/2 cup spinach, chopped
  • 1/2 cup green onions, sliced

Instructions

Preheat the Oven

Preheat your oven to 350°F (175°C) and grease a 9x13 inch baking dish.

Mix the Egg Mixture

In a large bowl, whisk together the eggs, heavy cream, salt, and pepper until well combined.

Add Remaining Ingredients

Stir in the crumbled bacon, cheddar cheese, bell peppers, spinach, and green onions.

Pour Into Dish

Pour the mixture into the greased baking dish and spread it evenly.

Bake

Bake in the preheated oven for about 40 minutes, or until the center is set and top is golden brown.

Serve

Let the casserole cool for 5-10 minutes before slicing and serving.

Pro Tips

  • Feel free to add your favorite vegetables or swap out the bacon for sausage for a different flavor profile. This dish also refrigerates well, so consider prepping it ahead for a busy week.

Serving Suggestions

This casserole is a fantastic dish to serve for brunch, and it pairs well with a side salad to add some freshness. I often complement it with sliced avocado or a dollop of sour cream for added creaminess. For a bit more crunch, a handful of toasted nuts or seeds on the side can elevate the meal.

Feel free to get creative with garnishes too; fresh herbs like cilantro or parsley can add a pop of color and flavor. A sprinkle of red pepper flakes can bring a little heat to the table, making it a hit for those who enjoy a little kick in their breakfast.

Troubleshooting Common Issues

If you find that your casserole doesn't rise as much as expected, check the freshness of your eggs, as older eggs may lead to a denser texture. Additionally, ensure that your oven is correctly preheated before baking to allow for proper cooking. An oven thermometer can confirm this, as some ovens can be off by quite a bit in terms of temperature.

In the event that your casserole appears too runny in the center after the baking time, simply return it to the oven for another 5-10 minutes. Keep an eye on it to avoid overcooking; you want the top to turn a lovely golden color while ensuring the center is fully set without becoming dry.

Questions About Recipes

→ Can I make this casserole ahead of time?

Yes, you can prepare the casserole the night before and refrigerate it. Just bake it in the morning.

→ Is it suitable for meal prep?

Absolutely! This casserole is great for meal prepping, and it reheats well.

→ What can I substitute for bacon?

You can substitute bacon with cooked sausage or turkey bacon if you prefer.

→ Can I use different vegetables?

Yes, feel free to use any low-carb vegetables you enjoy, like zucchini or mushrooms.

Savory Keto Breakfast Casserole

I absolutely love starting my day with a hearty breakfast, and this Savory Keto Breakfast Casserole has quickly become a favorite in my kitchen. Packed with protein and rich flavors, it’s both satisfying and low in carbs. Each bite is filled with delicious ingredients like eggs, cheese, and crispy bacon, making it a perfect dish for anyone on a keto diet or simply looking for a filling meal. Whether I’m meal prepping for the week or serving it fresh on a Sunday morning, this casserole never disappoints!

Prep Time20 minutes
Cooking Duration40 minutes
Overall Time60 minutes

Created by: Emily

Recipe Type: Clean Eating Recipes

Skill Level: Beginner

Final Quantity: 8 servings

What You'll Need

For the Casserole

  1. 12 large eggs
  2. 1 cup heavy cream
  3. 1/2 tsp salt
  4. 1/4 tsp black pepper
  5. 1 cup cooked bacon, crumbled
  6. 1 cup shredded cheddar cheese
  7. 1/2 cup diced bell peppers
  8. 1/2 cup spinach, chopped
  9. 1/2 cup green onions, sliced

How-To Steps

Step 01

Preheat your oven to 350°F (175°C) and grease a 9x13 inch baking dish.

Step 02

In a large bowl, whisk together the eggs, heavy cream, salt, and pepper until well combined.

Step 03

Stir in the crumbled bacon, cheddar cheese, bell peppers, spinach, and green onions.

Step 04

Pour the mixture into the greased baking dish and spread it evenly.

Step 05

Bake in the preheated oven for about 40 minutes, or until the center is set and top is golden brown.

Step 06

Let the casserole cool for 5-10 minutes before slicing and serving.

Extra Tips

  1. Feel free to add your favorite vegetables or swap out the bacon for sausage for a different flavor profile. This dish also refrigerates well, so consider prepping it ahead for a busy week.

Nutritional Breakdown (Per Serving)

  • Calories: 320 kcal
  • Total Fat: 24g
  • Saturated Fat: 12g
  • Cholesterol: 320mg
  • Sodium: 600mg
  • Total Carbohydrates: 6g
  • Dietary Fiber: 1g
  • Sugars: 2g
  • Protein: 18g