INGREDIENTS
2 1/2
lbs Ground chuck
1 tsp
Thyme, fresh leaves
3 cups
Yellow onions
2
Eggs, large
1/3 cup
Chicken stock or broth, canned
1 tbsp
Tomato paste
1/2 cup
Ketchup
3 tbsp
Worcestershire sauce
1 tsp
Black pepper, freshly ground
2 tsp
Kosher salt
1 tbsp
Olive oil, good
1/2 cup
Bread crumbs, plain dry