Crustless Spinach Quiche

This low carb Crustless Spinach Quiche is a creamy, cheesy egg breakfast casserole loaded with spinach and vegetables, Greek Seasoning, and feta cheese, which makes an easy and delicious gluten free breakfast or brunch!
Course Breakfast
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings 8
Calories 211 kcal
Author Michele @ Flavor Mosaic


  • 2 Tablespoons olive oil
  • 1/2 onion
  • 1/2 red bell pepper
  • 1/3 green bell pepper
  • 1/2 10-ounce package fresh baby spinach
  • 2 teaspoons minced garlic
  • 6 eggs
  • 1/4 cup milk
  • Salt and pepper to taste
  • 1 Tablespoon Greek Seasoning
  • 2 cups shredded cheddar cheese
  • 1/2 cup crumbled feta cheese


  1. Preheat oven to 350 degrees F.
  2. Spray 9" pie pan with cooking spray.
  3. In a large skillet over medium heat, add olive oil. When the oil is hot, add the onions, red and green bell peppers. Cook until the vegetables are soft.
  4. Add spinach. It will look like a LOT. Don't worry, it cooks down in about 2 minutes.
  5. Add minced garlic and stir for about 1 minute.
  6. In a large bowl, whisk together the eggs and milk. Add salt and pepper to taste.
  7. Add in the Greek Seasoning.
  8. Stir in Cheddar cheese and crumbled feta.
  9. Add in the spinach and other vegetables in the egg mixture. Stir until combined.
  10. Pour the egg mixture into a prepared 9" pie pan.
  11. Bake in a preheated oven for about 30 minutes.
  12. Let rest for about 10 minutes.
Nutrition Facts
Crustless Spinach Quiche
Amount Per Serving
Calories 211 Calories from Fat 144
% Daily Value*
Total Fat 16g 25%
Saturated Fat 7g 35%
Cholesterol 153mg 51%
Sodium 254mg 11%
Potassium 315mg 9%
Total Carbohydrates 3g 1%
Dietary Fiber 1g 4%
Sugars 1g
Protein 12g 24%
Vitamin A 81%
Vitamin C 29.3%
Calcium 26.9%
Iron 9.8%
* Percent Daily Values are based on a 2000 calorie diet.