Guinness Braised Short Ribs

Ingredients

• 2 tablespoons olive oil
• 3 to 4 pounds pork short ribs (4-6 ribs)
• Kosher salt and freshly ground black pepper
• 1 large sweet onion, peeled and coarsely chopped
• 3 stalks celery, rinsed, trimmed, and sliced ½ inch thick
• 3 large carrots, rinsed, peeled, and sliced ½ inch thick
• 6 large cloves garlic peeled and diced
• 11.2-ounce bottle Guinness or other stout beer
• 1 ½ cups beef stock or broth, plus 2 tablespoons
• 1 tablespoon tomato paste
• 2 tablespoons flour
• 6 sprigs fresh thyme
• 1 bay leaf