In a large kettle, combine all ingredients. Cook over low heat, stirring occasionally, until sugar is dissolved and mixture is bubbly, about 10 minutes.
Bring to a rolling boil; boil for 15 minutes, stirring constantly. Remove from heat. Skim off foam. Pour hot jam into jars, leaving 1/4 inch headspace. Adjust caps. Process for 15 minutes in a boiling water bath.
Servings: