Hot Pepper Jelly
Ingredients
3/4 cups red peppers, de-seeded and finely diced
1 1/2 cups green peppers, de-seeded and finely diced
3/4 cup jalapeno peppers, de-seeded and finely diced
1 cup apple cider vinegar
Two 1.75-ounce packets Sure-Jell pectin
5 cups white sugar
Directions
Prepare the glass jars by sterilizing them. Do this by washing jars and bands in hot soapy water; rinse with warm water. Pour boiling water over flat lids in saucepan off the heat. Let jars stand in hot water until ready to use. Drain well before filling.
Fill a very large stockpot with water and allow it to nearly boil on the stove top. This may take 15+ minutes given the size of the pot and amount of water, and while waiting, complete the rest of the steps.
Put on a pair of rubber kitchen gloves and finely chop the peppers by hand (or pulse using a food processor) and add them to a medium-sized 6 to 8-quart stock pot, taking care to avoid adding the seeds of the pepper to the mixture, being especially cautious with the jalapeno pepper seeds (I sliced each jalapeno in half, down the middle, and removed 80% of the seeds by hand, before finely chopping them). To the peppers, add the vinegar and Sure-Gell pectin (two packets). Place stockpot on the stove top and bring to a full rolling boil (a boil that doesn’t stop bubbling when stirred) and stir constantly. After a full rolling boil is reached, add the sugar. It will foam and bubble up, and if foam is intense, skim it off with a spoon. Return to a full rolling boil and once full rolling boil is reached (it may take a minute or two to reach it) boil for exactly 1 minute, stirring constantly. Remove pan from heat.
Quickly ladle jelly into the sterile jars, filling to within 1/4 inch of the tops. Cover with flat lids, and screw on bands tightly. Place the jars loosely into the nearly boiling water using tongs or carefully using two spatulas guiding them into the water (or if you have a canning rack, use it and slowly lower jars into pot). The water should cover the jars completely, and should be hot but not boiling when place the jars in. Bring water to a boil, and after it’s boiling, process for 10 to 12 minutes.
After processing, remove jars and place upright on towel to cool completely, and do not disturb them. Choose their resting place wisely, because where ever they are placed, they need to remain undisturbed and untouched until they seal. You may begin to hear loud pops immediately, or within 24 hours and that means the jar has sealed. If you are uncertain if they have sealed, after the jars cool, check seals by pressing middle of lid with finger. If the lid is sunken and does not spring back, it’s sealed (success!) If lid springs back, jar is not sealed and refrigeration is necessary. I prefer my pepper jelly chilled and store it in the refrigerator. Unsealed or opened pepper jelly will likely keep for weeks in the refrigerator; and sealed jars of jelly will keep for one year or longer, if stored in a cool, dry place.
https://freerecipenetwork.com/hot-pepper-jelly/