INGREDIENTS
1 1/2 lb
Ground beef
1
Celery stalk
1/4 cup
Green bell pepper
1
Yellow onion
1 tbsp
Dijon mustard
1/2 cup
Ketchup-style chili sauce
1 cup
Tomato sauce
1 tbsp
Worcestershire sauce
1 tbsp
Brown sugar, firmly packed light
1 tsp
Kosher salt
1/4 tsp
Pepper, freshly ground
1 tbsp
Canola oil
1 tbsp
Cider vinegar
6
Sesame-seed sandwich buns