Cut chicken into thin slices.
Mix soy sauce, rice vinegar, red chilies and garlic.
Place ginger slices in garlic press and squeeze juice and pulp into sauce.
Add chicken and let stand, tossing once or twice.
Prepare rice or noodles.
Remove chicken from marinade.
Mix hoisin sauce and ½ cup water into marinade juices. Set aside.
Heat oil in a wok or skillet until smoking.
Add chicken and stir-fry 2 minutes.
Remove and add marinade and broccoli to wok.
Stir-fry over high heat 4 to 5 minutes or until broccoli is cooked.
Add scallions and chicken to wok. Toss well.
Spoon over noodles and sprinkle peanuts on top.