INGREDIENTS
1 1/4
lbs Ground beef
3/4 lb
Ground pork
1
Carrot, medium
1
Celery, rib
3
Garlic cloves
1
Onion, medium wedges
2
Portobello mushrooms (about 6 ounces), large
2
Eggs, large
1/2 cup
Beef stock
4 tbsp
Tomato paste
1/2 cup
Ketchup
1 tsp
Mustard, ground
1 tbsp
Soy sauce, reduced-sodium
1 tbsp
Worcestershire sauce
2 tbsp
Brown sugar
3/4 tsp
Pepper
1 1/4 tsp
Salt
1 tbsp
Olive oil
3
slices White bread