Ingredients (serves 4 - 6):
1 - 2 spring onions (green tops only), chopped
5ml olive oil
1 tin tomatoes
Salt and pepper, to season
2.5ml sugar
700ml chicken or vegetable stock (either homemade or commercial stock without onion or garlic)
Fresh parsley, to garnish
Swirl of lactose-free yoghurt, to garnish