2 (16 oz.) cans pork and beans
4 slices uncooked bacon, cut up
1/2 c. ketchup
1/2 c. onion, chopped
1/4 c. brown sugar
1/2 tsp. dry mustard

Mix together all ingredients and put into 9 x 13 inch casserole dish. Bake at 350 degrees for 1 hour uncovered.