This Low-Sugar Rhubarb Jelly recipe is a great way to use up that rhubarb this spring and summer! It has such a unique, tart flavor that you will love on your toast or English muffins. For more homemade jelly recipes, take a look at these 12 Jam and Jelly Recipes for Beginners. Made with fresh rhubarb juice, sugar, and powdered pectin,…