How to Roast Chestnuts It’s that time of year again! It’s time to learn how to roast chestnuts. I absolutely love roasted chestnuts, they are just so Christmassy, delicious and super easy to do. Ingredients 1kg Chestnuts Method Heat your oven to 200C/400F/Gas 6. Cut a cross into the skin of each nut. Put in a roasting tin and bake ...