Make this recipe a recipe that people in that category can eat. categories: ['low_calorie'], recipe: completely crush the berries and remove about half the pulp and seeds using a strainer. recover 4 cups of the juicy pulp and place into a deep saucepan. add the sugar and mix well. bring to a boil for 1 full minute. add pectin and mix thoroughly. bring to a boil and hold the boil for 1 full minute while stirring constantly. skim off foam and allow to cool for 3 to 5 minutes. pour into hot, sterile jelly jars and seal. process 5 minutes in hot water bath.

Target recipe: crush blackberries in a large kettle. add water and bring to a boil. reduce heat to medium and cook for 10 minutes. strain through jelly bag, reserving juice and discarding pulp. add water to juice if necessary to equal 2 quarts. pour into large kettle. slowly stir in sugar until dissolved. place spices in a cheesecloth bag; add to juice. simmer, uncovered, for 30 minutes. bring to a boil; remove the spice bag and discard. pour hot into hot jars, leaving ¼-inch headspace. adjust caps. process for 15 minutes in a boiling water bath. to serve, mix about one-third concentrate to two-thirds soda.