Order a moderately priced, plainly decorated cake, and make the focal point the cake topper. Sheet Wedding Cakes A full-size sheet cake typically feeds about 108 people. Perfect for outdoor or barn weddings, s'mores are a fun and interactive wedding dessert. Cupcakes are perhaps the most popular non-traditional wedding dessert. Meringues or pavlovas are light, airy, and offer a delicate crispness that your guests will love. 7 Wedding Cake Alternatives That Will Save You Money 1. Popular wedding pie options include classic The cost at your local grocery store or warehouse discount store of a full-size sheet cake will be about $50. A cheaper alternative to wedding cake is Instead of having a wedding cake, have a Bake-Off style dessert table - ask people to bring cakes and desserts instead of presents or have a cake of cheese so you don't need to provide an evening buffet. A great alternative if you don't want cake but still wanted a sweet treat you can slice up and divide to your guests.