Wash the grapes and cut them in half. Set aside a few whole grapes for decoration. Pluck the leaves from the mint and roughly chop. Save two sheets for decoration. Pour the yoghurt into a bowl, add the honey, stir well and let it steep a little.
Stir the grape halves and mint into the yogurt.
Serve the yogurt in two bowls and decorate with the whole grapes and mint leaves.