5 c. sugar
1/4 c. finely chopped jalapeno pepper (include seeds according to how hot you want it)
1 1/2 c. cider vinegar
6 oz. Certo (fruit pectin)

Mix together and bring to a boil. Set off heat and cool 20 minutes. Boil again and cool again. Bring to a rolling boil that cannot be stirred down. Boil hard for 2 minutes. Pour into hot sterilized jars. 4 (1/2) pints.