Whole young stalks can be steamed or boiled. White celery is a most useful winter vegetable which, at a time when fresh herbs are scarce, can also be used to garnish and flavour dishes.
this will take 2–3 minutes, then add the walnuts, figs and grapes and leave off the heat. Slice the duck and serve with the resting juices and the celery and grape garnish on the side.
Serve in deep bowls and garnish with a little reserved celery leaf if you wish. Place a large saucepan on a medium-high heat. Melt the butter along with a little drizzle of vegetable oil and then ...