Name: Alex Guarnaschelli's Beer-Braised Short Ribs
Yield: 4
Ingredients: 2 tbsp canola oil 4 1/2 lbs boneless beef short ribs Kosher salt freshly ground black pepper 1 small bunch fresh thyme 2 medium yellow onions; sliced 2 medium carrots; cut into 1/2-inch rounds 2 stalks celery; cut into 1/2-inch rounds 10 cloves garlic; peeled 2 bottles dark beer 4 quarts beef stock 2 tbsp whole grain mustard 1 tbsp red wine vinegar