Coconut Upside Down Bread
Stir in brown sugar and cook until bubbly. Pour into ungreased 9-in. round baking pan.
Sprinkle coconut over top. Place pineapple over coconut.
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 coconut and 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.