Preheat oven to 400 degrees F.
Coat 6 cups of a muffin pan with butter or non-stick cooking spray.
Mix together the eggs, spinach, goat cheese, salt, pepper and garlic powder in a mixing bowl with a fork until well blended.
Fill 6 cups in the muffin pan 1/2 full with batter.
Bake in the oven for 15 minutes.