Jan 9 2012 With all of the excitement surrounding the Duchess of Cambridge's big 30th birthday, it seems only fitting to celebrate it with one of her favorite desserts. It has been reported that Kate is crazy for sticky toffee pudding. Perhaps that's the secret to her stunning physique and silky locks. If so, we'll be whipping up a batch tonight. Want more of Kate's culinary picks? Find out what her favorite drink is!