Strawberry Pretzel Salad
["2 2/3 c. crushed pretzels", "1 1/2 sticks margarine, melted", "3 Tbsp. sugar", "1 (8 oz.) pkg. cream cheese", "1 qt. frozen strawberries", "1 (8 oz.) tub Cool Whip", "1 c. sugar", "1 large box strawberry jello", "2 c. boiling water"]
["Mix crushed pretzels, margarine and 3 tablespoons sugar. Spread in a 9 x 13-inch pan.", "Bake at 350\u00b0 for 10 minutes.", "Cool."]
["pretzels", "margarine", "sugar", "cream cheese", "frozen strawberries", "sugar", "strawberry jello", "boiling water"]