Who will win the Battle of the Yuzu? Chef or the Challenger? Yuzu Cheesecake with Raspberry Gel OR Mochi Yuzu Nut Cake with Coconut Yuzu Ice cream.

Line a 23cm-square cake tin with baking paper ... We prefer to use Carême puff pastry, which comes in 375gm sheets. Yuzu juice is available from Japanese and Asian grocers.