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.
Add enough beaten egg and mix to a fairly soft consistency ... a circle 18cm/7in in diameter and reserve the remainder for the cake topping. Preheat oven to 140C/120C Fan/Gas 1.