Strawberry Balsamic Jam

Directions

1. 1
   ["Rinse the berries and remove their hulls, then roughly dice.", "Measure the fruit into a 6 to 8 quart nonreactive pot and add lemon juice and the proper amount of calcium water; stir well.", "Measure the sugar into a separate bowl adn thoroughly mix the proper amount of pectin powder into the sugar; set the mixture aside.", "Bring the fruit to a boil over medium-high heat. If it starts to foam, skim off the top and discard.", "Add the balsamic vinegar and return to a boil.", "Pour the pectin-sugar mixture into the boiling jam stirring as you add; stir vigorously for 1-2 minutes until the sugar dissolves.", "Return the fruit to a boil and remove from heat; skim off any foam.", "Fill jars leaving 1\" head space.""