Chopped Spinach Casserole
["1 box chopped frozen spinach, thawed and drained", "2 lb. creamed cottage cheese (small curd)", "6 eggs", "6 Tbsp. flour", "3/4 butter or margarine, cut in chunks", "1/2 lb. Velveeta cheese, cut in chunks*"]
["*Sprinkle Velveeta cheese (shredded) on top (optional)."]
["frozen spinach", "cottage cheese", "eggs", "flour", "butter", "Velveeta cheese"]