1: Prepare 500 g Jerusalem artichokes. Prepare 500 g turnips, keeping the tops. Cut turnips and Jerusalem artichokes into thin strips (a mandolin is ideal for this). Prepare 1 shallot and chop.
2: Wash the turnip leaves like lettuce, then drain.
3: Melt 30 g butter in a large saucepan on high heat. When good and hot, add the onion, salt and pepper. Cook for 1 or 2 minutes without colouring.
4: Add the turnip and artichoke slices, mix well and leaves to cook for 2 or 3 minutes, stirring from time to time.