Stir together cornstarch and 1 tablespoon water until smooth. Combine cornstarch mixture, crushed pineapple, 1/4 cup sugar, and lemon juice in a saucepan over medium heat; cook, stirring constantly, 5 minutes or until mixture is thickened and bubbly. Remove from heat; let cool completely.
hits the spot for a beautiful shiny glaze. great for the pina colada cheesecake.