Wash beans well. Soak overnight in 2 quarts of water.
Drain; add 7 cups of water and ½ teaspoon of salt. Cook in a pressure cooker at 15 lb. pressure for 25 minutes. Cool cooker at once and drain.
While beans are cooking, dice and fry bacon and saute onion in bacon drippings. Using a 3-quart bean pot or casserole, stir together bacon, onions, beans, and remaining ingredients.