Hunan Hot & Sour Soup

Ingredients

• 6 cups vegetable or chicken stock
• 2 cloves garlic, minced
• 1 teaspoon gingerroot, minced
• 1/2 teaspoon black pepper
• 2 tablespoons tamari
• 4 shiitake mushrooms, stems removed, thinly sliced
• 1/2 pound firm tofu, sliced into 1/4 x 1-inch strips
• 1 cup Napa cabbage, shredded
• 1 carrot, thinly sliced
• 1/3 cup frozen peas
• 1/3 cup frozen corn
• 2 tablespoons rice vinegar
• 1 tablespoon mirin (Chinese cooking wine)
• 1 tablespoon cornstarch dissolved in 3 tablespoons cold water
• 1 egg, well-beaten (optional)
• 1/2 cup green onions, chopped
• 1/4 cup cilantro, chopped