3 c. (1 to 1 1/2 lbs.) prepared fruit
6 1/2 c. (3 3/4 lbs.) sugar
1 bottle Certo
Juice of a lemon
1/4 tsp. butter

To prepare fruit, crush about 10 fully ripe bananas to a pulp. Squeeze and strain juice from 1 medium lemon. Measure sugar, prepared pulp, lemon juice and butter 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. Pour quickly. Paraffin hot banana butter at once. Makes about 10 glasses (6 fluid ounce each).