- Preheat oven to 400°.
- For the crust, mix the pretzels, butter, and 3 tablespoons of sugar.
- Press this mixture into a 9 by 13-inch pan and bake for 7 minutes.
- Set aside and allow to cool.
- In a mixing bowl, beat together the cream cheese and 3/4 cup of sugar.
- Fold in the whipped topping, and spread over the cooled crust.
- Refrigerate until well chilled.
- In a small bowl, dissolve the gelatin in the boiling water, and allow to cool slightly.
- Add the strawberries and pineapple, and pour over the cream cheese mixture.
- Refrigerate until serving time.
- To serve, cut slices and serve with a dollop of whipped topping.
