Serves 20 Cooking time: 3½ hours  Ingredients 1 whole ham 1-2 carrots, chopped 1-2 sticks of celery, chopped 1 onion, halved 1 tablesp. peppercorns 1 bay leaf 1 tablesp. whole cloves Glaze: Zest and juice of ½ orange Zest and juice of ½ lemon ¼ teasp. ground allspice 4 tablesp. redcurrant jelly 2 tablesp. light muscovado […]