Drain oysters; pat dry and reserve. To make sauce, combine rice wine, soy sauce, tomato paste, sugar and chili powder; reserve. Heat oil in large nonstick skillet over medium high heat. Add green onion and ginger; stir-fry briefly, about 15 seconds. Add oysters and stir-fry 45 seconds. Add sauce and stir-fry 3-4 minutes or until edges of oysters curl. Add sesame oil and stir-fry 30 seconds longer. Serve hot with rice or rice noodles if desired.
