Step 1

Preheat oven to 300F.

Step 2

Heat oil in a large dutch oven over high heat. Season chuck roast well with salt and pepper, add to pan and brown well on all sides (a few minutes a side). Remove roast and set aside.

Step 3

Add chopped onion to drippings in pot and reduce heat to medium. Saute onions until soft, about 5 minutes. Add balsamic vinegar, increase heat to medium-high and boil until reduced and slightly syrupy, about 4-5 more minutes. Stir in Dijon.

Step 4

Set roast on top of onions in pot. Pour in 2 cups beef broth and add thyme sprigs. Cover and place in oven for 2 1/2 - 3 hours or until very tender.

Step 5

Add carrots and potatoes to pot and return to oven. Continue cooking until carrots and potatoes are tender, 30-60 minutes more. Season well then serve and enjoy!