1/2 tsp. mustard
2 cans beans
1/4 c. onion
1 lg. can pineapple chunks
1/4 c. barbecue sauce
1/4 c. brown sugar
2 c. Cheddar cheese

Mix all ingredients except cheese and pineapple. Place half of bean mixture in baking dish, then layer pineapple, layer cheese, bean mixture, pineapple and top with cheese. Bake at 300 degrees for 30-45 minutes.