Strawberry Cream Cheese Salad-Peggy

1 (6 ounce) package strawberry Jello

2 cups boiling water

2 (10 ounce) packages frozen strawberries

1 (8 ounce) packages cream cheese, softened

1/2 cup powdered sugar

1 (8 ounce) container Cool Whip

1 1/2 cup crushed pretzels

Dissolve Jello in boiling water. Add frozen strawberries. Put in 9X13 inch pan. After it has set, combine cream cheese, powdered sugar and stir in Cool Whip. Put over Jello. Combine crushed pretzels, sugar and melted margarine; spread over top.