To prepare the modern watermelon cake, start with the watermelon gelee, which will be inserted into the cake: soak the gelatin sheets in cold water for at least 10 minutes. Meanwhile, cut away the ...

To prepare the cold watermelon jelly cake, start by lining the base of a 9-inch mold with parchment paper, both at the base and around the circumference. Melt the butter in the microwave or on the ...