Diet Mexican Dip
["2 (16 oz. each) cans refried beans", "1 (1 1/4 oz.) pkg. taco seasoning", "1 (4 1/4 oz.) can chopped ripe olives", "1 (8 oz.) jar taco sauce", "2 c. plain yogurt", "1/2 lb. light Cheddar cheese, grated"]
["Preheat oven to 350\u00b0.", "Place the beans, taco seasoning and olives in a large saucepan and cook over medium heat, stirring until ingredients are blended and hot.", "Pour mixture into 8 x 12 x 2-inch casserole.", "Spread the taco sauce over the bean mixture. Place the casserole in the freezer for 1 hour or until taco sauce is somewhat solid."]
["beans", "taco seasoning", "olives", "taco sauce", "plain yogurt", "Cheddar cheese"]