INGREDIENTS
1 tbsp
olive oil
1/2 cup
minced carrots (can sub chopped bell pepper)
1 cup
finely chopped onion (about 1 medium onion)
1/2 cup
finely chopped celery
2 cloves
garlic, minced
1/2 tsp
salt
1 1/4 lb
ground beef
1/2 cup
ketchup
2 cups
tomato sauce (or 1 15-ounce can whole tomatoes, puréed)
1 tbsp
Worcestershire sauce
1 tbsp
red wine vinegar
1 1/2
Tbsp brown sugar
ground cloves
1/2 tsp
dried thyme
cayenne pepper
2
turns of freshly ground black pepper
4
hamburger buns