1/2 c. butter
1/2 c. sugar
2 eggs
1 c. flour
1 tsp. baking powder
1/2 tsp. salt
1/2 to 1 tsp. vanilla extract
18-20 sm. prune plums
Cinnamon and sugar

Mix dough and place in greased springmold or 8 x 8 inch cake pan. Stick halved plums skin down into dough very close together. Sprinkle with cinnamon and sugar. Bake 40-45 minutes at 350 degrees and allow to cool. Flip cake upside down on plate so plums are on top.