Mustard Braised Beef - Alas, A Website

Ingredients

• 2 1/2 pounds brisket, tied in a round with butcher’s twine
• 1 tablespoon ground mustard seeds
• 1 tablespoon chopped fresh thyme
• Freshly ground black pepper
• Kosher salt
• 2 tablespoons olive oil
• 2 yellow onions, thinly sliced
• 1 head of garlic, cloves separated, skin on
• 1/3 cup Cognac
• 1 1/2 cups dry red wine
• 3 cups beef broth
• 1 tablespoon unsalted butter, room temperature
• 1 1/2 tablespoons unbleached all-purpose flour
• 1 tablespoon Dijon mustard
• 1/2 tablespoon whole grain mustard