: Combining juice and pectin, bringing to a hard boil, then adding sugar for a final "rolling boil" of exactly one minute.

Based on standard methods for this specific preserve, the archive likely includes the following: :

, which is typically a clear fruit spread made from juice, sugar, and pectin.

: Acts as a sweetener and preservative; typical ratios use about 3.3 to 4 cups of sugar for every 2 to 3 cups of juice.

: Essential for thickening; often Sure-Jell or liquid Certo.