Prune Cake Topping
3/4 cup butter
3/4 cup buttermilk
1 1/2 teaspoons dark corn syrup
1 1/2 cups white sugar
2 teaspoons vanilla extract
In saucepan, over medium heat, cook butter, 3/4 cup buttermilk, corn syrup and 1 1/2 cup sugar until sugar and butter melt.
Remove from heat and add 2 teaspoons vanilla and stir.