Avocado vichyssoise soup
SERVES FOUR
50g avocado or olive oil1 small white onion, finely chopped1 clove garlic, crushed300g leeks, whitewashed and sliced2 large potatoes, peeled and dicedSea salt and freshly ground pepper, to taste2 sprigs fresh thyme, leaves only, chopped1ℓ good-quality chicken or vegetable stock2 ripe avocados, peeled,destoned and chopped
