Yam Delight
["2 c. crushed pretzels", "2 sticks margarine, melted", "8 oz. softened cream cheese", "1 c. sugar", "9 oz. Cool Whip", "3 c. mashed sweet potatoes", "1 stick softened margarine", "1 c. sugar", "1 egg", "3 Tbsp. cornstarch", "1 tsp. vanilla"]
["Mix crushed pretzels and 2 sticks of margarine (melted) together and bake 12 to 15 minutes at 350\u00b0.", "Let cool."]
["pretzels", "margarine", "cream cheese", "sugar", "mashed sweet potatoes", "margarine", "sugar", "egg", "cornstarch", "vanilla"]