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Creamy Crustless Spinach Feta Breakfast Casserole

creamy crustless spinach feta breakfast casserole - featured image

A comforting, crustless breakfast casserole featuring a rich custard base of cream cheese and eggs, mixed with sautéed spinach, onions, and salty feta cheese. It is simple to prepare, forgiving for beginners, and tastes like home.

Ingredients

Scale
  • 6 large eggs, room temperature
  • 1 cup heavy cream or whole milk
  • 8 oz cream cheese, softened
  • 10 oz frozen spinach, thawed and squeezed dry
  • 1 cup feta cheese, crumbled
  • 2 tablespoons butter
  • 1 small yellow onion, finely diced
  • 2 cloves garlic, minced
  • 1 teaspoon dried oregano
  • Salt and black pepper, to taste

Instructions

  1. Preheat oven to 350°F (175°C).
  2. Thaw frozen spinach and squeeze out as much water as possible using a kitchen towel or hands.
  3. Melt butter in a non-stick skillet over medium heat. Sauté diced onion for 3-4 minutes until translucent.
  4. Add minced garlic and cook for 30 seconds until fragrant. Add spinach and oregano, cooking for 2 minutes to dry out moisture. Remove from heat.
  5. In a large bowl, beat softened cream cheese with a mixer until smooth and creamy.
  6. In a separate bowl, whisk eggs, cream/milk, salt, and pepper. Slowly pour into the cream cheese while whisking to create a smooth custard.
  7. Fold in the sautéed spinach mixture and crumbled feta cheese.
  8. Grease a 9×13 inch baking dish and pour in the mixture, spreading evenly.
  9. Bake for 35-45 minutes until edges are set and center is slightly jiggly.
  10. Cool for at least 10 minutes before slicing into 9-12 pieces.

Notes

Ensure spinach is thoroughly squeezed dry to prevent a watery casserole. Use room temperature eggs and cream cheese for a smooth custard. Do not overbake; the center should still jiggle slightly as it will set while cooling. For best results, use block feta packed in brine rather than pre-crumbled.

Nutrition

Keywords: breakfast casserole, spinach feta, crustless quiche, meal prep, easy breakfast, egg bake, comfort food