1 pre-made pie crust (or homemade, if you have the time!)
4 large eggs
1 cup heavy cream
1/2 cup shredded cheddar cheese
1/2 cup shredded mozzarella cheese
1/2 cup crumbled feta cheese
1/4 teaspoon salt
1/4 teaspoon black pepper
1/4 teaspoon nutmeg
1 tablespoon chopped fresh chives (optional)