Brysselkålsgratäng (Brussels sprouts gratin)

Instructions

1. Preheat the oven to 200 °C. Trim the Brussels sprouts, removing any damaged leaves, and cut them in half.
2. Cook them for 8 to 10 minutes in salted boiling water, then drain them thoroughly.
3. In a saucepan, melt 20 g of butter, add the flour and stir for 1 minute.
4. Gradually pour in the milk and cream while whisking until you have a thick, smooth sauce.
5. Off the heat, stir in half the cheese, the salt, pepper and nutmeg.
6. Arrange the sprouts in a buttered dish, pour the sauce over them and sprinkle with the rest of the cheese and the breadcrumbs.
7. Add a few small knobs of butter and bake for 20 to 25 minutes, until the top is well browned.