Cut leftover sponge cake into bite-sized pieces.
Mix yogurt and whipped cream together to make the cream.
Place a layer of cake pieces in a cake cup or mold.
Spread a thin layer of the yogurt whipped cream on top.
Repeat the process in the order of cake, cream, and fruit.
Decorate the top with cream and fresh fruit.
Chill in the refrigerator for about 1 hour.