Rhubarb Jelly

Directions

1. Grind the rhubarb in a food processor or grinder. Line a strainer with 4 layers of cheesecloth and place over a bowl. Place rhubarb in strainer; cover with edges of cheesecloth. Let stand for 30 minutes or until liquid measures 3-1/2 cups. Pour juice into a Dutch oven; add sugar and, if desired, food coloring.
2. Bring to a boil over high heat, stirring constantly. Add pectin; bring to a full rolling boil. Boil for 1 minute, stirring constantly. Remove from the heat; let stand a few minutes. Skim off foam. Carefully ladle hot mixture into hot half-pint jars, leaving 1/4-in. headspace. Remove air bubbles; wipe rims. Center lids on jars; screw on bands until fingertip tight. Place jars into canner with hot water, ensuring that they are completely covered with water. Bring to a boil; process for 10 minutes. Remove jars and cool.