Method of Preparation
Preheat oven to 350°F. Spray muffin tin with cooking spray.
Whisk eggs, milk, black pepper & salt together.
Add mushrooms, onion, tomatoes and spinach to bowl. Mix well.
Using a measure cup, equally distribute vegetable/egg mix to muffin pan.
Bake for 20-25 minutes.
Remove from oven and garnish with feta cheese, diced avocado and salsa.