Plum Upside-Down Cake - cooking recipe

Ingredients

1 tablespoon melted butter, unsalted
1/4 cup firmly packed brown sugar
2 plums, sliced
for cake
1 cup all-purpose flour
1 teaspoon baking powder
1/4 teaspoon baking soda
1/4 cup unsalted butter
2/3 cup Splenda sugar substitute (or sugar)
1 egg
1 teaspoon vanilla
2/3 cup fat-free buttermilk

Preparation

Heat oven to 350 F.
Coat bottom of 9-inch round cake pan with melted butter and top evenly with brown sugar.
Arrange slices of plum to cover pan, very slightly overlapping.
Sift together dry ingredients.
Beat together\"wet\" ingredients in large bowl.
Gradually beat together wet and dry ingredients until smooth.
Pour mixture over plums.
bake for 35 minutes, or until inserted toothpick comes out clean.
Cool for 5 minutes, then invert onto plate to serve.