Certo: A Short Cut to Better Jams and Jellies

by General Foods Corporation

GRAPEFRUIT JELLY

3½ cups (1¾ lbs.) juice

7 cups (3 lbs.) sugar

1 bottle Certo

To prepare juice, grate rind from 4 medium grapefruit, and squeeze out juice. Add juice to grated rind and let stand for 10 minutes. Press juice through small cloth. Measure sugar and juice into large saucepan and mix. Bring to a boil over hottest fire and at once add Certo, stirring constantly. Then bring to a full rolling boil and boil hard ½ minute. Remove from fire, skim, pour quickly. Paraffin at once. Makes about 10 glasses (6 fluid ounces each).