Dusting them with flour before adding to the cake mix can help to reduce this happening. If you want to increase the almond content of this cake add 75g/2½oz diced marzipan when you add the cherries.
Preheat the oven to 170C/150C Fan/Gas 3½ and grease the sides and line the base of a 20cm/8in springform cake tin with baking paper. Mix the flour, baking powder, bicarbonate of soda, ground ...