Mongolian Beef

1 pound sirloin, trimmed, sliced thin
2 tablespoons soy sauce
2 tablespoons corn starch
1 1/2 tablespoons sesame oil or vegetable oil
2 teaspoons sugar
1/2 teaspoon salt
2 dashes white pepper
1 tablespoon sesame oil
4 cloves garlic, minced
2 teaspoons ground ginger
8 ounces water chestnuts, drained
6 green onions, sliced lengthwise
3 tablespoons soy sauce

Combine meat, soy sauce, cornstarch, oil, sugar, salt, and pepper and refrigerate at least 1 hour. In 375�F wok, cook garlic and ginger in oil for 3-5 minutes. Add remaining ingredients, including meat mixture. Stir fry for 5-10 minutes, or until meat is cooked through.