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Easy Keto Egg Bake

Keto Egg Bake

Breakfast should be easy to make and taste great! This keto egg bake is perfect for the whole family to enjoy while being healthy and wholesome too!
Course Breakfast
Cuisine American
Keyword breakfast casserole, egg bake, keto egg bake, low carb egg casserole
Prep Time 10 minutes
Cook Time 50 minutes
Total Time 1 hour
Servings 6
Calories 323kcal


  • 1 tablespoon olive oil
  • 1 medium onion (chopped)
  • 2 cloves garlic
  • 8 oz spinach leaves
  • 8 large eggs
  • 1 cup half-and-half (or 1/2 cup cream and 1/2 cup milk)
  • 1/2 teaspoon sea salt
  • 1 teaspoon black pepper
  • 3 cups shredded medium-fat mozzarella cheese (divided)
  • 1/2 cup feta cheese


  • Preheat oven to 375F (190°C). Grease an 8x8 inch (20x20 cm) casserole dish and set aside.
  • Add the olive oil to a pan over medium heat. Once the oil has heated, add the onion, garlic, and spinach and cook for 5 minutes until the spinach has reduced. Set aside. 
  • In a large mixing bowl, whisk together the eggs, half-and-half, salt, and pepper. Stir in the shredded mozzarella and feta cheese. Leave aside some of the cheese to sprinkle on top. 
  • Add the cooked spinach and egg mixture to the casserole dish and mix well. Sprinkle over the rest of the cheese. 
  • Bake the keto egg bake for 40 - 50 minutes until the middle is firm and a toothpick inserted comes out clean.
  • Remove from the oven and allow the egg bake to cool for 10 minutes before slicing and serving. 


Making it ahead of time - If you want to eat the keto egg bake within 12 hours (perfect for the next morning) then assemble the egg bake but don’t bake it just yet. Cover with plastic wrap and refrigerate. Then you can pop it into the oven for 40 – 50 minutes the next morning and breakfast is served! 
Storing and freezing - To freeze your egg bake, prepare as usual but don’t bake it. Rather, cover with plastic wrap and freeze. When you want to make the egg bake, remove from the freezer and allow to thaw completely. Then bake as normal. 
You can store any leftover egg bake in an airtight container in the refrigerator for up to 5 days. It can easily be heated in the microwave or oven for a quick breakfast and lunch option. 


Calories: 323kcal | Carbohydrates: 7.9g | Protein: 22.6g | Fat: 22.3g | Saturated Fat: 11.8g | Polyunsaturated Fat: 0.4g | Monounsaturated Fat: 3.1g | Trans Fat: 0g | Cholesterol: 42mg | Sodium: 502.4mg | Potassium: 257.2mg | Fiber: 2.2g | Sugar: 4.9g | Net carbs: 5.7g