To prepare fruit, use canned crushed pineapple. Add juice of 2 medium lemons. Measure sugar and prepared fruit into large kettle, 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 by turns for just 5 minutes to cool slightly, to prevent floating fruit. Pour quickly. Paraffin at once. Makes about 11 glasses (6 fluid ounces each).
STRAWBERRY AND RHUBARB JAM
4 cups (2 lbs.) prepared fruit
7 cups (3 lbs.) sugar
½ bottle Certo
To prepare fruit, grind about 1 quart fully ripe strawberries, or crush completely one layer at a time so that each berry is reduced to a pulp. Slice fine or chop (do not peel) about 1 pound rhubarb. Red-stalked rhubarb gives best color. Combine fruits. Measure sugar and prepared fruit into large kettle, filling up last cup with water if necessary. 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. Then stir and skim by turns for just 5 minutes to cool slightly, to prevent floating fruit. Pour quickly. Paraffin hot jam at once. Makes about 10 glasses (6 fluid ounces each).
BLUEBERRY AND RED RASPBERRY JAM
4 cups (2 lbs.) prepared fruit
7 cups (3 lbs.) sugar
½ bottle Certo