Crab and Black Mushroom Soup

Ingredients

• 1/2 cup long-grain white or brown rice
• 1 28g package Chinese black mushrooms
• 2 tbsp vegetable oil
• 3 scallions with tops (finely chopped)
• 1 tbsp fresh ginger (minced)
• 224 g crabmeat (fresh or thawed and drained frozen, picked over)
• 1/4 tsp salt
• 1/8 tsp black pepper
• 4 cups chicken stock
• 2 tbsp soy sauce
• 1 tbsp dry sherry
• 1 cup frozen green peas (thawed)
• 2 tbsp cornstarch (blended with 1/4 cup cold water)
• 2 large eggs (beaten with a pinch of salt)
• 1 tsp Oriental sesame oil (or to taste)
• 4 scallion tops (thinly sliced (optional))