Mahnke Family Recipes- Beef brisket pasta

Ingredients

• 3 lbs / 1.5 kg beef brisket
• 1 head celery
• 4 large carrots
• 5 whole shallots
• 1 head garlic
• 1 bunch thyme
• 2 large parmesan rinds
• 1 1 ⁄ 2 c / 150 g grated parmesan
• 2 c / 500 ml dry vermouth
• 5 c / 1.5 l beef stock
• 1 1 ⁄ 4 lbs / 600 g tagliatelle