we would make a cake that was one of prince william's recipe. it's the palace recipe, and they swore me to secrecy it will be covered with chocolate decorations and be flutely beautif absolutely beautiful. >> reporter: as to what the cakes will look like? >> well, that's a surprise really. >> reporter: max foster, cnn, london. >> if you're into cake. the groom's cake, british cookie maker mcdidi's, a secret recipe. what is known is that the cake will contain more than 37 pounds of chocolate and 1,700 of the company's rich tea brand cookies. enough to feed all 600 guests. well, are you possibly going to be a guest? you. cnn sending you possibly as an ireporter to cover the royal wedding.