Baked Beans with Ground Beef 15 May 12

1 lb ground beef
1 cup onions, chopped
1 tsp salt
1 cup ketchup
2 tbsp mustard
1 tbsp vinegar
1 cup brown sugar
3 cans pork and beans, drain 1 can

Brown beef and onions in skillet and drain well. Add remaining ingredients and mix well. Bake in uncovered pan or dish at 400 degrees for 30 minutes.