1 c. crushed pretzels
1/2 c. sugar
1/2 c. melted butter
1 (8 oz.) pkg. cream cheese
1 c. powdered sugar
1 (8 oz.) carton whipped topping
1 lg. can crushed pineapple
2 tsp. cornstarch

Mix crushed pretzels, sugar and melted butter; press into 8" or 9" pan. Bake at 350 degrees for 10 minutes; cool. Cream cheese and powdered sugar; fold in whipped topping. Spread on cooled crust. Drain pineapple. Mix juice and cornstarch and cook until thickened. Stir in crushed pineapple. Cool. Pour over cheese layer. Chill.