INGREDIENTS
1/2 tbsp
canola oil
1
medium onion
1/2
of a medium green bell pepper
1
stalk of celery
1
large clove of garlic
1 lb
ground beef
1 tbsp
Worcestershire sauce
1 tsp
Tiger Sauce or other hot sauce , or to taste, optional
1
( 15 ounce ) can of tomato sauce
1/4 cup
ketchup
Salt and pepper,
2 tbsp
butter
6
hamburger buns