1 lb dry navy beans (or Northern beans), soaked overnight
1 lb meaty ham bones or pieces of ham
2 quarts of water
1 tsp.salt
1/4 tsp. pepper
1 medium onion, chopped and sauteed until clear in butter

Put all ingredients in crockpot except the onions. Halfway through cooking time add the sauteed onions. About 2 hours before serving mash beans with potato masher, which will thicken soup. Cover and cook on Low 10-12 hours or on High 5-6 hours.