Quick High Protein Frittata | Breakfast Casserole
The aroma of a perfectly cooked frittata wafting from the oven is like a warm hug on a chilly morning, and this Quick High Protein Frittata | Breakfast Casserole delivers exactly that.
I still remember the first time I made this recipe on a lazy Sunday morning at my family’s lake house, the smell of fresh dill and chives from our garden filled the air as I cracked eggs into a bowl.
It was during one of those moments, watching my family devour this frittata in seconds, that I realized This Quick High Protein Frittata | Breakfast Casserole quickly became a cherished family favorite.
Why You’ll Love This Quick High Protein Frittata | Breakfast Casserole
- The perfect blend of textures from crispy edges to a fluffy center.
- A harmonious balance of savory and slightly sweet flavors.
- Ready in under 30 minutes, making it perfect for busy mornings.
- Foolproof recipe that yields consistent results every time.
- Perfect for brunch gatherings or a simple family breakfast.
Ingredients You’ll Need
- 6 eggs
- 1 cup diced cooked sausage
- 1 cup diced bell pepper
- 1 cup diced onion
- 2 cloves garlic, minced
- 1 cup shredded cheddar cheese
- 1/2 cup shredded mozzarella cheese
- 1/2 cup heavy cream
- Salt and pepper to taste

The star ingredients, eggs and cheese, come together in a beautiful symphony of flavors and textures, while the diced ham adds a satisfying savory element.
Expert Tips for the Best Quick High Protein Frittata | Breakfast Casserole
- Whisk eggs thoroughly for a light and fluffy texture.
- Don’t overmix the ingredients to prevent a dense frittata.
- Use a hot oven to achieve a crispy crust.
- Check for doneness by gently jiggling the frittata.
- Make ahead and refrigerate overnight for an easy breakfast.
Variations and Substitutions
Swap diced ham for cooked sausage or bacon for a different flavor profile, or use gluten-free cheese for a gluten-free option.

How to Store and Reheat
Store leftovers in an airtight container in the fridge for up to 3 days and reheat in the microwave for 30-45 seconds. Freeze for up to 2 months and thaw overnight in the fridge.
Frequently Asked Questions
Can I make this frittata ahead of time?
Yes, you can make this frittata ahead of time and refrigerate overnight or freeze for up to 2 months.
How do I prevent the frittata from sticking to the pan?
Make sure to grease the pan with olive oil and use a non-stick skillet for easy release.
Can I serve this frittata at room temperature?
Yes, this frittata can be served at room temperature, making it perfect for brunch gatherings.
I invite you to make this Quick High Protein Frittata | Breakfast Casserole and experience the joy of a stress-free breakfast that pleases everyone, and I hope you love it as much as my family does!
Quick High Protein Frittata
🧂 Ingredients
👩🍳 Instructions
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1Preheat oven to 375°F (190°C).
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2In a large skillet, cook sausage over medium-high heat until browned, breaking into small pieces as it cooks.
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3Add bell pepper, onion, and garlic to the skillet and cook until the vegetables are tender.
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4In a large bowl, whisk together eggs, heavy cream, salt, and pepper.
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5Stir in cooked sausage and vegetable mixture.
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6Pour the egg mixture into a greased 9-inch pie plate or skillet.
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7Sprinkle cheddar and mozzarella cheese evenly over the top.
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8Bake for 20-25 minutes or until the eggs are set and the cheese is melted and golden brown.

