Cranberry Banana Jam

Combine cranberries and water in a 5 quart dutch oven or large kettle. Simmer, covered, for 10 minutes. Stir in sugar and banana. Bring to a hard boil; boil 1 minute. Remove from hea t. Stir in pectin. Skim off foam. Spoon mixture at once into hot sterilized 1/2 pint jars, leaving 1/4 inch head space. Wipe jar rims; adjust lids and rings. Process in a boiling water bath for 5 minutes. (Start timing when the water boils) Approximate yield: 8 half-pints.