Vegetarian Pot Stickers

Name: Vegetarian Pot Stickers
Ingredients: 1 red onion sliced; 1 tablespoon minced ginger; 1 cup sliced shiitake mushrooms; 1 cup white cabbage, shredded; 1 cup carrots, shredded; 1 cup chopped garlic chives or chives; 1 teaspoon white pepper; 1 teaspoon sesame oil; 1/4 cup chopped cilantro; 1 package round dumpling skins, also called gyoza (preferably twin dragon brand); Salt to taste; Canola oil; Spicy Soy Dipping Sauce, recipe follows; 1/3 cup thin soy sauce; 1/3 cup rice wine vinegar; 1/3 cup sliced scallions; 1 tablespoon sambal