These peppers are mixed with a combination of fruits like apples, peaches, pineapples, strawberries and others to create a unique flavor and texture that is a mix of sweet and spicy. As stated earlier, pepper jelly has a jam and jelly consistency and texture, and just as jams use pectin for thickness, pepper jelly also uses pectin and sugar along with additional flavors like wine, vinegar, liqueur and fruits for the same.