Carefully unroll the cake and spread it with a thin layer of black currant jam and tightly re-roll the cake and chill for at least 1 hour or up to 2 hours before slicing.

• 小心将蛋糕卷打开，然后抹上一层薄薄的黑醋栗酱，然后再重新卷起放到冰箱1-2小时。