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