Spinach Souffle
["10 oz. pkg. frozen spinach", "2 Tbsp. butter", "3 eggs", "2 Tbsp. flour", "1/4 tsp. pepper", "1/4 lb. mild Cheddar or American cheese", "1/4 lb. Brick or Mozzarella cheese", "1 lb. (2 c.) cottage cheese", "1/2 tsp. salt"]
["Steam or microwave spinach.", "Stir into butter; set aside.", "In large bowl, combine cheeses, flour and seasonings, mixing well. Add beaten eggs and stir until mixed. Stir in spinach.", "Pour into 1 1/2-quart baking dish.", "Bake at 350\u00b0 for 55 to 60 minutes. Allow to cool for 10 minutes before serving."]
["frozen spinach", "butter", "eggs", "flour", "pepper", "Cheddar", "Mozzarella cheese", "cottage cheese", "salt"]