SERVES SIX
2 large ripe avocados, peeled and stoned 2½ English cucumbers, peeled and300ml Greek-style or thick plain yoghurt, plus extra 100ml for serving 400ml vegetable stock Sea salt and freshly ground black pepper, to taste Juice of ½ lemon 1 clove garlic, grated or crushed 30ml (2 tbsp) chopped fresh mint 30ml (2 tbsp) chopped fresh dill 30ml (2 tbsp) chopped chives