Instructions: Preheat oven to 350 degrees. Grease and flour 2 9 inch square pans. Pit the plums and mash them. Beat together sugar, oil, eggs, plums and buttermilk. Stir together flour, baking soda, salt and pumpkin pie spice. Stir into the plum mixture; stir in vanilla and nuts. Divide between pans and bake 40 minutes.

Prick tops of finished cakes all over with toothpick.

Bring butter, buttermilk and sugar to a boil in a heavy saucepan over medium-high heat. Remove from heat and stir in baking soda and vanilla. Pour over hot cakes. Serve warm or at room temperature.

Makes 18 servings.

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