Three Layer Strawberry Jello Salad
["1 1/2 c. crushed pretzels", "1/2 c. sugar", "1 stick margarine"]
["Mix and spread in 9 x 13-inch greased baking dish.", "Bake in 350\u00b0 oven 7 minutes; cool."]
["pretzels", "sugar", "margarine"]