Name: Brown Sugar Cornmeal Plum Cake
Prep time: 20 min
Cook time: 50 min
Total time: 70 min
Yield: 8
Ingredients: 5 plums; 1 tablespoon sugar; 1 1/2 cups all purpose flour; 1/2 cup cornmeal; 1 teaspoon baking powder; 1/2 teaspoon baking soda; 1/4 teaspoon salt; 1/2 teaspoon cinnamon; 8 tablespoons unsalted butter (at room temperature); 1/2 cup sugar; 1/2 cup brown sugar; 3 large eggs; 1 teaspoon vanilla; 1/2 cup buttermilk; 1 tablespoon turbinado sugar (optional)