Strawberry shortcake is a light and refreshing dessert that is perfect for a summer birthday party. Start by baking individual shortcakes or using store-bought sponge cake cups. Slice fresh strawberries and toss them with a little sugar to release their juices. Whip up some homemade whipped cream or use store-bought. To assemble, layer the shortcake or sponge cake with the sweetened strawberries and whipped cream. Top with a dollop of whipped cream and a fresh strawberry. This classic dessert is sure to be a hit with kids and adults alike.