Lemon Cordial
["6 large lemons", "1800 ml (3 pt.) boiling water", "2 kg sugar", "3 oz. citric acid", "1 oz. tartaric acid", "1 oz. epsom salts"]
["Add sugar to glass or plastic bowl.", "Put in lemon juice, grated rind of lemon, acids and epsom salts.", "Pour on boiling water; stir to melt sugar.", "Leave for 12 hours, then bottle, sealing bottles tightly.", "Makes approximately 4 bottles.", "To serve, add water for a refreshing drink."]
["lemons", "boiling water", "sugar", "citric acid", "tartaric acid", "epsom salts"]