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Spinach and Feta Egg Bake

Spinach and feta egg bake slice with a golden crispy top on white plate

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A golden, savory egg bake with a light, fluffy texture and a creamy center. It combines fresh spinach, tangy feta, and melty mozzarella for a simple, crowd-pleasing meal. Perfect for brunch, meal prep, or a quick family dinner.

Ingredients

Scale
  • 10 large eggs
  • 1/3 cup whole milk or half-and-half
  • 1 tablespoon all-purpose flour
  • 1 teaspoon baking powder
  • 1 teaspoon garlic powder
  • 1/2 teaspoon onion powder
  • 1/2 teaspoon dried dill
  • 1/2 teaspoon kosher salt
  • 1/4 teaspoon black pepper
  • 1 tablespoon olive oil or butter
  • 1 small yellow onion, diced
  • 5 ounces fresh baby spinach (about 5 packed cups)
  • 6 ounces block feta cheese, crumbled (about 1 1/2 cups)
  • 1 cup shredded mozzarella or Monterey Jack cheese, divided
  • Optional garnish: chopped fresh parsley or chives

Instructions

  1. Preheat oven to 375°F (190°C). Grease a 9×9 inch baking dish or 10-inch oven-safe skillet.
  2. Heat olive oil in a large skillet over medium heat. Add diced onion and cook for 4-5 minutes until softened.
  3. Add fresh spinach in handfuls to the skillet, stirring until just wilted. Transfer mixture to the prepared baking dish and spread evenly.
  4. In a large bowl, whisk eggs and milk until well combined and slightly frothy.
  5. Whisk in the flour and baking powder until no lumps remain. Stir in garlic powder, onion powder, dill, salt, and pepper.
  6. Sprinkle the crumbled feta and half of the shredded mozzarella over the spinach in the dish.
  7. Slowly pour the seasoned egg mixture over everything. Gently tap dish on counter to settle.
  8. Top with the remaining shredded cheese.
  9. Bake for 35-40 minutes, until center is just set and top is golden brown.
  10. Let rest for 5-10 minutes before slicing and serving.

Notes

For frozen spinach, use a 10-ounce package, thawed and squeezed very dry. Letting the bake rest before slicing is crucial for clean cuts. Can be made ahead and reheated.

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