Blueberry Rhubarb Sauce 12 ounces fresh Rhubarb Finely Chopped 1 cup of brown sugar Add 1 to 2 cups of water (more or less sugar to taste) and heat until boiling, stirring until dissolved. Combine Rhubarb with 16 ounces of fresh ,frozen, or dried blueberries Bring to a steady boil. Reduce heat, cover, and simmer 10 minutes. Let cool and and refrigerate. This has a nice Tart and tangy taste and can be used in avariety of dishes.