Peach-Plum Jam
["2 lb. ripe peaches", "1 1/2 lb. fully ripe Italian prune plums", "1 3/4 oz. pkg. powdered fruit pectin", "5 1/2 c. sugar"]
["Peel and pit peaches; chop very fine.", "Pit plums; chop very fine.", "Mix fruits; measure 4 1/2 cups into large saucepan.", "Place saucepan of fruit over high heat.", "Add pectin.", "Stir until mixture comes to a hard boil.", "At once, stir in sugar.", "Bring to a full, rolling boil and boil hard 1 minute, stirring constantly.", "Remove from heat.", "Skim and stir for 5 minutes.", "Ladle quickly into hot scalded glasses.", "Seal at once.", "Makes ten 6-ounce glasses."]
["peaches", "fully ripe Italian prune plums", "powdered fruit pectin", "sugar"]