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Sheet Pan Egg Frittata with Spinach & Vegetables

A delightful and nourishing frittata made with fresh spinach, bell peppers, and eggs, baked to golden perfection. Perfect for family meals or casual gatherings.
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Course Breakfast, Brunch, Main Course
Cuisine American
Servings 8 servings
Calories 250 kcal

Ingredients
  

Main Ingredients

  • 8 large Eggs
  • 2 cups fresh spinach, chopped Can substitute with kale.
  • 1 cup diced bell peppers (any color)
  • 1/2 cup diced onion

Seasoning and Toppings

  • 1 cup shredded cheese (e.g., cheddar or mozzarella) Use your favorite cheese.
  • 1 teaspoon Salt
  • 1/2 teaspoon Pepper
  • 1 tablespoon Olive Oil For greasing the pan and sautéing.

Instructions
 

Preparation

  • Preheat the Oven: Set your oven to 375°F (190°C) and lightly grease a 9x13 inch baking sheet with olive oil.
  • Sauté the Vegetables: In a pan over medium heat, add a splash of olive oil and sauté the diced onion until it becomes translucent. Add the diced bell peppers and spinach, stirring until the spinach is wilted, about 3-4 minutes.
  • Whisk the Eggs: In a large bowl, crack the eggs and whisk them until well combined. Add in the salt, pepper, and half of the cheese.

Cooking

  • Combine and Bake: Fold the sautéed vegetables into the egg mixture. Pour the mixture into the prepared baking sheet, spreading it evenly. Sprinkle the remaining cheese on top.
  • Bake: Bake in the preheated oven for 25-30 minutes or until the frittata is puffed and golden.
  • Serve and Enjoy: Allow the frittata to cool for a few minutes before slicing. Serve warm or at room temperature.

Notes

Store leftovers in the refrigerator for up to 4 days, covered tightly. Freezes beautifully for up to 2 months. Reheat slices in the oven at 350°F or in the microwave.
Keyword Egg dish, Frittata, Sheet Pan Meal, Spinach, Vegetarian