Umbria Inspired Bone Marrow Ragu with Rosemary

Bahan-bahan (4 porsi)

• 2 tbsp olive oil
• 1 carrot (minced, about 1/3 cup)
• 1 celery (minced, about 1/3 cup)
• 1/2 medium onion (minced, about 1 cup)
• 8 oz ground beef
• 8 oz mild Italian sausage (removed from casing)
• 3 marrow bones (about 1lb)
• 1/2 cup Italian white wine (such as pinot grigio)
• 1 14 oz can crushed tomatoes
• 2 sprigs of fresh rosemary
• 1 bay leaf
• 1 cup no sodium chicken stock (or beef stock/water)
• 4 oz pecorino toscana (finely grated, or parmigiano reggiano)