Make this recipe a recipe that people in that category can eat. categories: ['low_calorie'], recipe: in a large heavy saucepan combine the ingredients of part 1. bring to a boil and stir to dissolve sugar. add the ingredients of part 2. bring back to a boil, reduce heat and simmer until thick, stirring often, about 1-1 1/2 hours . ladle into clean hot jars leaving 1/2 inch head space and process in a boiling water bath canner for 10 minutes.

Target recipe: in a large saucepan, combine the first eight ingredients. bring to a boil. reduce heat; simmer, uncovered, for 2 minutes or until sugar is dissolved. add rhubarb, onion and raisins. cook and stir over medium heat for 10 minutes or until rhubarb is tender and mixture is slightly thickened. stir in food coloring if desired. cool completely. store in the refrigerator.