Poppa Pig vanilla birthday cake is an easy-to-make vanilla cake recipe that is perfect for any occasion. I’ve never created a cake quite like this one. It strikes a balance between sweetness and blandness. Cut the cooled cake in half to create two layers, then decorate with a frosting of your choice. For your sweetie’s birthday, this Poppa pig theme cake would be ideal. Children will be drawn to the Poppa Pig concept.