It's really easy to make.
Pepper jelly 1 cup finely chopped red bell pepper
1/2 cup finely chopped jalapenos
5 cups sugar
1-1/2 cups apple-cider vinegar
1 6-ounce container liquid pectin
In a 5-quart pot over high heat, bring the bell peppers, jalapenos, sugar and vinegar to a rolling boil; boil for 3 minutes. Remove from the heat and let cool for 5 minutes.
Stir in the pectin and let the mixture continue to cool for 2 minutes more. Stir for 1 minute.
Pour into hot, sterilized jars and cap with sterilized lids. I usually let it go at that, but the USDA would probably advise a boiling water bath for shelf-stable storage.
If you Google, you can also find freezer-jam versions.