InstructionsHeat corn syrup and 1 tablespoon margarine in skillet over medium heat until melted.
Stir in brown sugar and cook until bubbly. Pour into ungreased 9-in. round baking pan.
Spread pineapple on top.
Combine flour, baking powder, and salt.
Set aside. Beat remaining margarine until fluffy; then beat in sugar, egg, and vanilla.
Add flour mixture to margarine mixture. Pour over pineapple. Bake at 350 degrees for about 40-45 minutes.
Cool in pan and then invert cake onto serving platter. Serve warm or cool, and top with whipped topping if desired.
