Green Beans with Sesame Miso Sauce

• 250 g (9 oz) fine green beans, trimmed
• 1 teaspoon black sesame seeds

To make the sesame miso sauce, put the white sesame seeds in a small frying pan over low heat and dry-fry for 4-5 minutes until golden. Remove and grind in a mortar and pestle. Add all of the remaining ingredients and combine well.

Cook the beans in a large saucepan of lightly salted boiling water for 1 minute. Drain, rinse under cold running water and drain again. Pat dry with a tea to