- 5 pound bone-in beef short ribs, cut crosswise into 2" pieces
- Kosher salt and freshly ground black pepper
- 3 tablespoons vegetable oil
- 3 medium onions, chopped
- 3 medium carrots, peeled, chopped
- 2 celery stalks, chopped
- 3 tablespoons all-purpose flour
- 1 tablespoon tomato paste
- 1 750-milliliter bottle dry red wine (preferably Cabernet Sauvignon)
- 10 sprigs flat-leaf parsley
- 8 sprigs thyme
- 4 sprigs oregano
- 2 sprigs rosemary
- 2 fresh or dried bay leaves
- 1 head of garlic, halved crosswise
- 4 cups low-salt beef stock
- 2 heads of celery root
- 1 quart cream
Preheat oven to 350°F. Season short ribs with salt and pepper. Heat oil in a large Dutch oven over medium-high heat. Working in 2 batches, brown short ribs on all sides, about 8 minutes per batch. Transfer short ribs to a plate. Pour off all but 3 tablespoons drippings from pot.
Add onions, carrots, and celery to pot and cook over medium-high heat, stirring often, until onions are browned, about 5 minutes. Add flour and tomato paste; cook, stirring constantly, until well combined and deep red, 2-3 minutes. Stir in wine, then add short ribs with any accumulated juices. Bring to a boil; lower heat to medium and simmer until wine is reduced by half, about 25 minutes. Add all herbs to pot along with garlic. Stir in stock. Bring to a boil, cover, and transfer to oven.
While short ribs are braising:
Remove outer layer of celery root and chop into ½ inch dice. Put into pot with 1 quart of cream and bring to a boil and cook until fork tender and add salt to taste.
Strain cream and puree celery root in a blender and hold warm until short ribs are done.
Cook the short ribs until tender, about 4 hours. Transfer short ribs to a platter. Strain sauce from pot into a measuring cup. Spoon fat from surface of sauce and discard; season sauce to taste with salt and pepper. Serve in shallow bowls over puree with sauce spooned over.