In a salad shaker or tupperware container, add soy sauce, oil, vinegar, wasabi and sugar. Seal completely and shake to combine thoroughly. Taste test and if desired, add more wasabi and/or sugar for more spiciness/sweetness. If you've overdone it, add water. Seal and shake again.
Note: We cannot guarantee recipe accuracy. Permission is required to copy and post recipes to other web sites; however, you may print and e-mail recipes.