1 1/2 lbs. ground beef
1/2 c. ketchup
1/2 tsp. dry mustard
2 tbsp. vinegar
3 tbsp. brown sugar
1 sm. onion
1 (No. 303) can green lima beans (1 lb. can equals No. 303)
1 (No. 303) can red kidney beans
1 (No. 303) can pork and beans
1/2 tsp. salt

Brown meat in skillet. Mix with other ingredients. Pour into casserole and bake at 350 degrees for 30 minutes.