Guinness Beef Stew

Name: Guinness Beef Stew
Ingredients: 3 tbsp. olive oil, divided; 3 lb. beef chuck, well trimmed and cut into 2-inch pieces; Kosher salt and pepper; 2 medium onions, cut into 1-inch-thick wedges; 4 cloves garlic, chopped; 1 lb. medium carrots, cut into 1-inch pieces; 12 oz. medium parsnips, cut into 1-inch pieces; 3 tbsp. all-purpose flour; 1 14.9-ounce can extra-stout beer (we used Guinness Extra Stout; about 2 cups); 3 c. low-sodium chicken broth; 1 6-ounce can tomato paste; 1 lb. yellow potatoes, cut into 1-inch pieces; 8 sprigs fresh thyme, tied together; 2 bay leaves; 1/2 c. flat-leaf parsley, roughly chopped