Stir together crushed pretzels, melted butter and 3 tablespoons sugar; mix well and press mixture into the bottom of a 9×13 inch baking dish.
Bake 8 to 10 minutes, until set. Set aside to cool.
In a large mixing bowl cream together cream cheese and 1 cup sugar. Fold in whipped topping. Spread mixture onto cooled crust.
Dissolve gelatin in boiling water. Stir in strawberries and allow to set briefly in refrigerator. When mixture is about the consistency of egg whites, pour and spread over cream cheese layer. Refrigerate until settled.