Heat oven to 160C/140C fan/gas 3. Line the base and sides of a 20cm deep cake tin. Beat together the butter and sugar until light and fluffy, then beat in the eggs, one by one. Fold in the almond extract, flour, ground almonds and baking powder, followed by the cherries and milk.
Scrape into the prepared tin, scatter over the flaked almonds, then bake for 1 hr-1 hr 15 mins. Cool the cake in its tin before serving.