Homemade Grape Jelly-1 1/2 c all natural grape juice 1 2/3 c sugar 1 t butter 2 T powdered fruit pectin Sterilize 2 8 oz canning jars Combine juice in 8-qt saucepan. Gradually stir in fruit pectin. Add butter. Bring mixture to boil over high heat, stirring constantly. Add sugar, stirring to dissolve. Return boil. Boil hard 1 min, stirring constantly. Remove from heat. Carefully ladle jelly into jars. Cool to room temp, about 30 minutes. Once cooled, refrigerate or serve immediately.