Spinach Quiche - cooking recipe

Ingredients

8 oz. Muenster cheese, shredded
8 oz. Cheddar cheese, shredded
8 oz. Swiss cheese, shredded
2 (10 oz.) pkg. spinach (frozen)
1 c. mayonnaise
3/4 c. flour
1 tsp. salt
1/2 tsp. black pepper
1 small onion, chopped or minced
2 eggs, beaten
2 frozen pie crusts or use Pillsbury crescent rolls as pie crust

Preparation

Mix all ingredients.
Drain spinach and add to mixture.
Bake at 350\u00b0 for 45 to 60 minutes.