Easy Cheesecake
["1 1/2 c. graham cracker crumbs", "3 Tbsp. sugar", "1/4 c. margarine, melted", "1 (16 oz.) container lemon frosting", "1 (8 oz.) pkg. cream cheese, softened", "1 1/2 c. sour cream"]
["Mix cracker crumbs, sugar and margarine.", "Reserve 1/3 cup of the crumbs.", "Press mixture into bottom of square pan or baking dish."]
["graham cracker crumbs", "sugar", "margarine", "lemon frosting", "cream cheese", "sour cream"]