Combine first five ingredients in small bowl. Add chicken and toss to coat well. Cover and marinate at room temperature at least 3 minutes, stirring occasionally.
Soak orange peel in enough water to cover, about 5 minutes. Drain and set aside.
Combine stock, soy sauce, rice wine, cornstarch, sesame oil and pepper. Mix. Set aside.
Heat 1/4 cup oil. Drain chicken. Stir-fry in small batches, about 2 minutes. Remove.
Heat peanut oil with orange peel; stir-fry 1 minute. Return chicken to wok with snow peas and soy mixture; stir-fry 3 minutes.
Serve immediately over rice