Preparation Heat 1 tablespoon oil in large nonstick skillet over medium-high heat. Add garlic and stir 30 seconds. Add asparagus, broccoli, and 4 tablespoons broth. Cover and cook until vegetables are crisp-tender, about 3 minutes. Transfer vegetables to bowl. Add remaining 1 tablespoon oil to skillet. Sprinkle chicken with salt and pepper; add chicken and green onions to skillet. Stir-fry until chicken is just cooked through, about 3 minutes. Mix in hoisin sauce, oyster sauce, vegetables, and remaining 2 tablespoons broth. Toss until heated through and sauce coats evenly, about 1 minute. Season to taste with salt and pepper. Transfer to bowl. *Available in the Asian foods section of many supermarkets and at Asian markets.