Orange Marmalade
["1 grapefruit, sliced thin", "1 orange, sliced thin", "1 lemon, sliced thin", "sugar"]
["Cover fruit with 3 times its bulk of cold water.", "Let stand overnight.", "Boil for 10 minutes.", "Let stand overnight.", "Bring to rolling boil; add equal quantity sugar.", "Cook until jelled.", "Pour in open dish for 24 hours.", "Place in jars or dishes without reheating."]
["thin", "orange", "lemon", "sugar"]