Pineapple Baked Beans

4 slices bacon
1 sm. onion, finely chopped
1 large can pork and beans
1 sm. can pineapple bits with juice
2 tbsp. brown sugar
1 (8 oz.) can tomato sauce

Crisp fry bacon; drain and crumble, remove from pan. Wilt onion in bacon grease. Combine all ingredients together in covered casserole dish. Bake at 400 degrees for first 15 minutes; reduce heat to 300 degrees and bake for another 45 to 60 minutes.