Mix:

2 c. crushed pretzels
3 tbsp. sugar
3/4 c. melted butter

Put in 9 x 13 inch pan. Bake 5 minutes at 400 degrees. Cool.

Mix:

1 (8 oz.) pkg. cream cheese
1 (9 oz.) pkg. Cool Whip
1 c. sugar

Put on top of pretzels. Mix:

1 lg. pkg. strawberry Jello
2 c. boiling water
2 (10 oz.) pkg. strawberries
1 (20 oz.) pkg. crushed pineapple, drained

Let set slightly, put on top of cheese mixture, chill. Top with Cool Whip if desired.