Peel, quarter, core and cut apples into small pieces. Put them in a pot with lime juice and sugar. Cover and stew for about 10 minutes. Let it cool down
Coarsely chop the lady fingers and fill into dessert glasses. Sprinkle with apple corn or apple juice. Stir sour cream, yoghurt and vanilla sugar until smooth. Layer with the apples on the sponge cake pieces. If necessary, decorate with a thin slice of lime and mint leaves