Corn Salad with Beetroot

1 Peel the beetroot and cut in cubes. Prepare the corn salad by cutting off the sandy roots, then wash the leaves several times in lots of water. Drain carefully. 2 Prepare a vinaigrette sauce in a large bowl, mixing together the vinegar, oil, salt and pepper. 3 Toss the beetroot cubes and the salad in the vinaigrette. Crush the garlic clove and sprinkle over the salad. Serve immediately. Beetroot has been eaten since ancient times. In 1600, Olivier de Serres, who publicised products newly -imported into France, described it as "a dark red, quite large root with Swiss chard leaves, and it is all good to eat..."