7-Eleven Vietnam has unveiled a very interesting banana sponge cake inspired by the one in Thailand. Now you don’t need to fly to Thailand to get hold of the famous Lepan Banana Cake. What is unique about the 7-Eleven version in Vietnam is the packaging in the shape of a banana. The 7-Eleven banana sponge cake is available in three flavours – original, chocolate and pandan. Each one is priced at VND 26,000.