Draw the cakes: Glide collectively flour, baking powder, and salt in a bowl. With a mixer, cream butter and granulated sugar in but some other bowl till gentle and fluffy. Beat in eggs and vanilla. Working in alternating batches, add flour combination and buttermilk, foundation and ending with flour combination. Beat till honest blended. Pour into ready dish, and mute with an offset spatula. Dot top with cherries, and sprinkle with crumb topping.