We’re turning things upside down – quite literally – with this stunning plum cake. Pair the autumnal stone fruit with a buttermilk sponge, bake until golden, and serve slices with a cup of tea. Find the easy recipe in the September magazine, on sale now⁣ ⁣ #bbcgoodfood #bbcgoodfoodrecipes #bbcgoodfoodmagazine #plumcake #upsidedowncake #buttermilkcake