2quarts(8 cups) diced and peeled potatoes (about 8 medium)
2quarts(8 cups) boiling water
Salt and Pepper
For Mahattan add:
2cupscooked tomatoes
1/2cupchopped celery
1/2bayleaf (remove before canning)
1/2T.thyme
Instructions
Cook salt pork until light brown in large saucepot. Drain off excess fat.
Add onion and cook until onion is tender but not brown.
Add clams with juice, potatoes and water. Boil 10 minutes. Season to taste. Only process in half pints or pints.
Ladle hot chowder base into hot jars, leaving 1 inch headspace. Remove air bubbles and refill if necessary to headspace.
Wipe rims with vinegar, then add two piece lid/rings.
Process in pressure canner for 100 minutes at 10 lbs of pressure for weighted gauge canner and 11lbs for dial gauge.
Notes
To serve: For New England Chowder, add 2 T. butter and 2 cups milk to each pint of clam chowder base before heating for serving. Reduce butter and milk by half for each half-pint of Chowder Base. NOTE: Do not add butter and milk before canning!