4	jars	great northern beans ( 48 oz. each)
4	cups	chopped onion
2	lbs.	dark brown sugar
2	lbs.	cubed fully cooked ham
1	bottle	ketchup (28 oz.)
1	can	crushed pineapple, drained (20 oz.)
½	cup	prepared mustard
1/3	cup	vinegar

Combine all ingredients; mix well. Divide among 4 greased 13x9x2" baking pans. Cover tightly; bake at 350°F for 1½ hours. Uncover and bake 20-30 minutes more.

Serves 80-100