For each cup dried beans add 3 cups water. Boil 2 minutes, remove from heat, soak 1 hour, and drain. Heat to boiling in fresh water and reserve liquid.
Mix 4 cups water or bean cooking liquid, molasses, vinegar, salt, and dry mustard; heat to boiling.
Combine beans, seven 3/4-inch meat pieces, and enough sauce to cover. Cover and bake 4–5 hours at 350°F, adding water as needed.
Fill jars leaving 1-inch headspace.
Pressure process pints 65 minutes or quarts 75 minutes; dial 11/12/13/14 psi by altitude, weighted 10 psi through 1,000 ft and 15 above.