Spinach, Cheddar, And Swiss Quiche - cooking recipe

Ingredients

1 (10 ounce) package frozen spinach
2/3 cup milk
4 eggs (beaten)
1 cup cheddar cheese, 1/2 inch cubes
3 slices swiss cheese, torn into pieces
1 small onion, diced
1/2 - 3/4 teaspoon salt
1/4 - 1/2 teaspoon pepper
9 inches pie crusts, partially cooked (5-10 minutes)
4 slices swiss cheese

Preparation

Preheat oven to 400 degrees Fahrenheit.
Mix all ingredients from frozen spinach through pepper in a large bowl and pour into partially cooked pie crust.
Top with the remaining 4 slices of swiss cheese and bake in oven for 40 minutes.