This is a take on the classic black forest gateau, with layers of delicate chocolate crepes, silky white chocolate cream and sour cherry jam. (Use a good-quality store-bought jam if making your own is a step too far.) All the components can be made ahead of time, ready to be assembled, but be aware that the finished cake needs to be refrigerated for at least three hours, and preferably overnight.

Black forest crepe cake

You can make the jam up to five days in advance. Store, covered, in the fridge.

Prep 10 min
Chill 4 hr+
Cook 1 hr 30 min
Serves 8-10

For the sour cherry jam
300g drained sour cherries (from a