So what is this fruit, anyway? As a member of the citrus fruit family, yuzu looks like a lemon but packs a punch of vitamin C similar to oranges and grapefruit. Its distinct flavor, however ...

Roll the dough out to 1,8mm thickness and make a 22cm diameter disc. Peel the lemon and yuzu and extract the juice. Cream the butter, add icing sugar, and mix with almond powder and custard powder.