Preheat oven to 350 degrees. ... inch pan, put baked beans, ketchup, brown sugar, mustard ... onions. Mix thoroughly. Bake at 350 degrees for 30 to 40 minutes.
Cook bacon, crumble into small pieces. Cook ground beef and onion, drain. Add bacon ... into baking dish. Bake in 350°F oven for 30 ... 6 to 8 servings.