Chilled Cucumber and Mint Soup

• 2 medium-sized cucumbers
• 2 oz (50 g) butter
• 1

Cut about 2 inches from one of the cucumbers and set aside for the garnish. Peel the remaining cucumbers, cut in half lengthwise, remove the seeds and chop the cucumber flesh coarsely.

Melt the butter in a saucepan. Peel and finely chop the onion. Add to the pan. Cover and cook gently until the