Good to eat and good for you, this is a salad with style!
In a large bowl, whisk the sherry vinegar with the olive oil, horseradish and sugar. Season to taste with salt and freshly ground black pepper.
Put the chickpeas and chopped apple in a bowl. Toss through the dressing, making sure everything is well coated.
Once you are ready to serve, lightly toss through the rocket and mint and pile into a serving dish.
Finally, crumble the feta on top and serve.