Pretzel Salad

20 oz crushed pineapple
2 Tbsp cornstarch
1 cup crushed pretzels
1 stick melted butter
1/2 cup brown sugar
8 oz cream cheese, softened
1/2 cup sugar
1 large (8 oz) Cool Whip, defrosted

Mix the pineapple with the cornstarch' heat till thickened, stirringconstantly. Set aside to cool.Combine pretzels, butter & brown sugar. Press into 9" square pan toform the base.Place softened cream cheese, sugar and Cool Whip in mixing bowl andmix. Spread on top of base.Spread cooled pineapple mixture over toop of cream cheese layer.Place in refrigerator. Serve chilled. Keep leftovers covered inrefrigerator.