Japanese Beef Stir-Fry

INGREDIENTS

• 2 pounds boneless beef sirloin or beef top round steaks (3/4" thick)
• 3 tablespoons cornstarch
• 1 (10.5 ounce) can Campbell's® Condensed Beef Broth
• 1/2 cup soy sauce
• 2 tablespoons sugar
• 2 tablespoons vegetable oil
• 4 cups sliced shiitake mushrooms
• 1 head Chinese cabbage (bok choy), thinly sliced
• 2 medium red peppers, cut into 2"-long strips
• 3 stalks celery, sliced
• 2 medium green onions, cut into 2" pieces
• Hot cooked regular long-grain white rice