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30 ml/2 tbsp olive oil
1 small onion, chopped
1 carrot, chopped
1 celery stick, chopped
600 ml/1 pt/2.5 cups vegetable stock
15 ml/1 tbsp cornflour (cornstarch)
45 ml/3 tbsp water
Grated rind and juice of 2 lemons
3 egg yolks
Salt, freshly ground black pepper and sugar
15 ml/1 tbsp lemon grass or coriander (cilantro), chopped |