PLUM BUCKLE Ingredients 7 cups pitted and quartered plums 2/3 cup butter, softened 1 1/2 cups white sugar 2 eggs 3 cups sifted all-purpose flour 1 tablespoon baking powder 1/2 teaspoon salt 2 cups milk 2 teaspoons vanilla extract 1 cup white sugar 1/2 cup butter, softened 1/4 cup all-purpose flour 1 teaspoon cinnamon Instructions