Combine all ingredients in non-reactive pan. Bring to boil over med-high heat, stirring constantly. Reduce heat to med-low and simmer, uncovered, stirring frequently, for 45 mins, or until thickened. Prepare jars, lids and boiling water bath. Fill jars with hot mixture, leaving 1 cm headspace. Wipe rims with clean towel and attach lids securely. Place jars in boiling water bath, and when the water returns to the boil, process for 15 mins.