Vegetarian Gyoza With Spicy Dipping Sauce

• Sauce
• 1/3 cup rice vinegar
• 1/4 cup chopped green onion
• 1/4 cup low sodium soy sauce
• 1/2 teaspoon crushed red pepper flakes
• Filling
• cooking spray
• 4 cups diced shiitake mushroom caps (about 3/4 pound)
• 4 cups finely chopped green cabbage
• 2 tablespoons chopped green onions
• 2 tablespoons mirin (sweet rice wine)
• 2 tablespoons low sodium soy sauce
• 2 teaspoons grated peeled fresh ginger
• 1/2 teaspoon salt
• 1/4 teaspoon dark sesame oil
• 3 garlic cloves, minced
• Remaining ingredients
• 24 lettuce leaves
• 2 tablespoons peanut oil, divided

1. To prepare sauce, combine first 4 ingredients; set aside.
2. To prepare filling, heat a large non-stick skillet coated with cooking spray over medium-high heat. Add mushrooms; cook 3 minutes or until moisture evaporates, stirring frequently. Add cabbage; cook 3 minutes or until softened, stirring frequently. Stir in 2 tablespoons green onions and next 6 ingredients (2 tablespoons green onions through garlic); simmer 2 minutes. Remove from heat; set aside.
3. Working with 1 wrapper at a time, spoon 2 teaspoons mushroom mixture into center of wrapper. Fold in half. Fold top edge of wrapper at 1/2-inch intervals to form pleats, pressing against bottom edge to seal. Place dumplings, pleated sides down, on a large baking sheet dusted with flour; cover loosely with towel to prevent drying.
4. Line each tier of a 2-tiered (10-inch) bamboo steamer with 3 lettuce leaves. Arrange 6 dumplings, 1-inch apart, in each steamer basket. Stack tiers; cover with steamer lid. Add water to a large skillet to a depth of 1 inch; bring to a boil. Place steamer in pan, and steam dumplings 5 minutes. Remove dumplings from steamer. Repeat procedure with remaining lettuce and dumplings.
5. Heat 1 1/2 teaspoons oil in a large non-stick skillet over medium-high heat. Add 12 dumplings; cook 1 1/2 minutes on each side or until browned. Repeat procedure 3 times with remaining oil and dumplings. Serve with sauce.

sauce, rice vinegar, green onion, soy sauce, red pepper, filling, cooking spray, shiitake mushroom, green cabbage, green onions, mirin, soy sauce, fresh ginger, salt, sesame oil, garlic, remaining ingredients, peanut oil

Taken from www.food.com/recipe/vegetarian-gyoza-with-spicy-dipping-sauce-363543 (may not work)