Spinach Stuffed Shells
["1 (12 oz.) pkg. jumbo shells", "2 (9 oz.) pkg. frozen creamed spinach (cook in pouch)", "1 (15 oz.) carton Ricotta cheese", "1 (8 oz.) pkg. shredded Mozzarella", "1/2 lb. ground beef", "1 (32 oz.) jar spaghetti sauce or your favorite spaghetti sauce recipe"]
["Cook shells according to package.", "Drain.", "Cook creamed spinach (follow package directions.)", "Empty spinach pouches into large bowl and cool.", "Stir in Ricotta cheese, Mozzarella, salt and pepper.", "Stuff each shell with tablespoon of cheese mixture.", "In skillet, cook ground beef.", "Stir in jar of spaghetti sauce.", "Put stuffed shells in casserole and pour sauce over.", "Bake at 350\u00b0 for 30 minutes or until bubbly."]
["jumbo shells", "frozen creamed spinach", "Ricotta cheese", "shredded Mozzarella", "ground beef"]