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mushroom crustless quiche with spinach and tomatoes

Mushroom Crustless Quiche: Easy Vegetable Breakfast

This mushroom crustless quiche layers mushrooms, spinach, tomatoes, cheese, and seasoned eggs for an easy, colorful breakfast or brunch.
Servings: 8 servings

Adjust the serving amount to scale the ingredient list. Written quantities in the steps refer to the original recipe; adjust them in the same proportion. Timing may vary with batch size.

Prep: 15 minutes Total: 55 minutes

Ingredients
  

Ingredients

  • 1 cup yellow onion diced
  • 1 cup baby spinach chopped
  • 1 cup cherry tomatoes sliced in half
  • 1/2 cup mozzarella cheese shredded
  • 1/2 cup mushrooms sliced
  • 8 large eggs none
  • 1/2 cup heavy cream none
  • 1/2 teaspoon ground mustard none
  • 1/2 teaspoon garlic powder none
  • 1/2 teaspoon salt none
  • 1/4 teaspoon ground black pepper none

Instructions
 

Instructions

  • Preheat the oven to 350°F. Spray a quiche pan or pie dish with nonstick cooking spray and set it on a baking sheet.
  • Add the diced onion to the dish, then sprinkle the chopped spinach over it.
  • Arrange the halved cherry tomatoes over the vegetables, followed by the shredded mozzarella and sliced mushrooms.
  • Whisk the eggs, heavy cream, ground mustard, garlic powder, salt, and black pepper together in a medium bowl.
  • Gently pour the egg mixture around the vegetables so they stay in place. Use a fork to rearrange any pieces that move.
  • Bake for 40 to 45 minutes, until a toothpick inserted in the center comes out clean.
  • Remove the quiche from the oven and let it cool. Slice and serve with toppings such as hot sauce, salsa, avocado, or sour cream.