4 cups (2 lbs.) prepared fruit
6 cups (2 lbs. 10 oz.) sugar
½ bottle Certo
To prepare fruit, cut about 2 quarts fully ripe berries in halves
lengthwise; large berries in quarters. Add 1 cup sugar, mix and let
stand 15 minutes. This cup of sugar is in addition to the 6 cups
specified above. Measure sugar and prepared fruit into large kettle,
packing fruit into cup; mix well, and bring to a _full rolling boil_
over hottest fire. Stir constantly before and while boiling. Boil hard 1
minute. Remove from fire and stir in Certo. Stir and skim for 5 minutes.
Pour quickly. Paraffin at once. Makes about 9 glasses (6 fluid ounces
each).