Yield: About 3 or 4 half-pint jars
Sterilize canning jars and prepare two-piece canning lids according to manufacturer's directions.
nd stems or finely chop. Place in saucepan, add water and bring quickly to a boil. Remove from heat, cover and let stand 10 minutes. (A few drops of green food coloring can be added if desired.) Strain to remove mint. Discard mint.
To make jelly. Measure 1-¾ cups mint juice into a large saucepot. Stir in the sugar and lemon juice. Place on high heat, stir constantly and bring to a full boil that cannot be stirred down.
Add the liquid pectin and heat again to a full rolling boil. Boil hard for 1 minute. Remove from heat; quickly skim off foam.
Pour hot jelly immediately into hot, sterile jars, leaving ¼ inch headspace. Wipe rims of jars with a dampened clean paper towel, add hot lids/rings and place in water bath canner. Process for 5 minutes at a full rolling boil.