1 stick margarine, melted
Combine melted margarine, 1/3 cup sugar and pretzels and spread on cookie sheet and bake approximately 6 or 7 minutes.
Cool and break into small pieces and place in a plastic bag until ready to serve.
Combine cream cheese, 1/3 cup sugar and pineapple. Add cool whip and mix well'
Just before serving, add pretzel mixture to cream cheese mixture.