Just do it! First heat the oven. Then, using a sharp knife cut the skin of each nut. Put in a roasting tin, sprinkle with water and salt. Let it bake until the skins open. Roast for 15 to 20 minutes. Inside it gets more color and become tender. The house smells good! On St. Martin's Day Eve we (the women in Portugal) have the tradition of eating roasted chestnuts. Tomorrow it will be the gentlemen's turn! The glass of jeropiga is missing!