Guinness Beef Stew

Name: Guinness Beef Stew
Ingredients: 2 medium yellow onions; 3 cloves garlic; 1 (3-pound) boneless beef chuck roast; 2 teaspoons kosher salt, divided; 1/2 teaspoon freshly ground black pepper; 2 tablespoons vegetable oil, divided, plus more as needed; 1/3 cup all-purpose flour; 2 tablespoons tomato paste; 1 (11- to 12-ounce) bottle Guinness Irish Stout; 3 cups beef broth; 1 tablespoon Worcestershire sauce; 1 teaspoon dried thyme; 1 bay leaf; 5 large carrots (about 1 1/2 pounds total); 1 pound baby Yukon gold potatoes (10 to 14); 3 sprigs fresh parsley