Grind cleaned peppers with 1/2 cup vinegar. Use blender. Mix with rest of ingredients, except Certo. Bring to rolling boil, in good sized pan, 5 minutes. Cool 2 minutes. Add Certo all at once. Mix. Pour into sterilized jars and seal. After open, keeps in refrigerator a long time.
To serve: Cover square of cream cheese with Jelly and serve with Ritz crackers.