The aromas and ingredients of a Bavarian Christmas market ... flavor to both the cake and the icing. Graham flour and hazelnut give these Linzer-inspired cookies the flavor of s'mores.

You can either spread it quite casually, work it into little peaks or spread it flat and smooth using a clean ruler or icing spreader. Leave to dry before decorating with Christmas ornaments.

Roll the cookies into balls of around 40g/1½ oz – you should get about 15–16 that are golf ball-sized, then pat them down to flatten into thick discs. Put the icing sugar into a bowl and toss ...