INGREDIENTS
1 tbsp
olive oil
1 tbsp
unsalted butter
1 1/2 lb
ground beef
1 1/2 lb
ground pork
6 oz
pancetta
1/2 tsp
salt
1/4 tsp
black pepper
11 oz
onion
2
celery stalks
6 oz
carrot
5
garlic cloves
3 1/2 cups
tomato puree
2 cups
milk
1 cup
beef stock
1 cup
if you prefer