In a medium sized bowl, whisk together the eggs, milk, salt, pepper, garlic powder and paprika.
Place ½ cup cheese on bottom of pie shell. Top with spinach and other vegetables. Now top with remaining cheese. Pour egg mixture over top of everything.
Place in oven and bake for about 45 minutes, or until egg is cooked through and is no longer runny.
Let set for about 10 minutes before serving. Cut into 8 servings.