The true St. Louis signature cake featured in a Happy Birthday box. Hundreds upon thousands of slices of this Gooey Louie have been enjoyed around the globe over the years. From-scratch buttery, dense crust (new and improved!), topped with delicious goo. Eat it warm, room temperature or frozen for a candy-like experience. Only the finest ingredients used to prepare this St. Louis delicacy — butter, sugar, eggs, cream cheese and pure vanilla extract.