canola oil • small yellow onion, diced • celery stalk, diced (+ celery seed?) • red bell pepper, diced • garlic cloves, minced • ground beef • (8 fl. oz./250 ml) tomato sauce • (4 fl. oz./125 ml) ketchup-style chili sauce • Worcestershire sauce • Dijon mustard (+ dry mustard?) • cider vinegar • firmly packed light brown sugar •