Mousse Cake (3Lbs) From Treat Bakers. Delight in the exquisite and velvety indulgence of the Mousse Cake from Treat Bakers. This 3 lbs cake is a culinary masterpiece that promises a luxuriously smooth and airy mousse experience, making it the perfect choice for those who appreciate the delicate and rich flavors of mousse in a delightful dessert.