easy sheet pan eggs with mushrooms and spinach

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Easy Sheet Pan Eggs with Mushrooms & Spinach

Make these easy sheet-pan eggs the next time you're serving a crowd for breakfast or brunch. Mushrooms add texture and flavor, while spinach adds a pop of color. You can also make these eggs for a meal-prep-friendly breakfast.

Ingredients

  • 3 tablespoons extra-virgin olive oil
  • 1 cup chopped onion
  • 2 cloves garlic, minced
  • 1 10-ounce package white or cremini mushrooms, sliced
  • 1 teaspoon dried thyme
  • 1 teaspoon salt, divided
  • 1 teaspoon ground pepper, divided
  • 1 (10 ounce) package frozen chopped spinach, thawed and squeezed dry
  • 18 large eggs
  • ½ cup whole milk
  • 1 tablespoon dijon mustard
  • 1 cup shredded extra-sharp cheddar cheese