To protect your hands put on food-safe gloves.
Wash the peppers, remove stems, and most of the seeds and white membranes from the peppers.
8 red or green Jalapenos
Finely chop the peppers in a food processor.
Add your peppers, vinegar, pectin and butter to a large nonreactive pan, such as stainless steel or enamel cast iron.
8 red or green Jalapenos, 3 Tablespoons Pectin, 2 Cups Apple Cider Vinegar, 1 Teaspoon Butter
Bring the mixture to a rolling boil. Once it reaches a rolling boil, turn off the heat.
Skim any foam that may have gathered on the surface.
Add sugar. Stir well and let it reach a rolling boil and boil three minutes. A rolling boil is a boil that can not be calmed when stirred.
5 Cups Sugar
After the 1 rolling boil, turn off the heat and skim off all foam that may have formed.
Remove a hot jar from the large boiling water pot. Ladle the pepper jelly into 8oz jars filling to ¼in from the top. Wipe the rim of the jar with a clean damp cloth, cover with new lids and twist on screw bands tightly. Using a jar lifter, place jars into canner. Water should cover jars completely.
Remove another jar from the hot water canner and repeat until all jars are filled.
Bring water to boil and process 5 minutes. * If you are boiling at an altitude higher than 1,000 feet above sea level, you will need to adjust boiling water processing time.
Allow the jars to sit on a protected surface to cool completely. Jars will indicate they have properly sealed with a little popping sound of the lid flexing as the jars cool.
When jars are completely cooled, check seals by pressing centers of lids with finger. (If lid springs back, lid is not sealed and refrigeration is necessary.)