Hot and Sour Soup (Suan La Tang)

Ingredients

• 1 tsp corn starch
• ¼ cup water
• 1-2 dried red chilli peppers
• 30g pork shoulder or loin
• ½ tsp oil
• ¼ cup soaked dried lily flower
• ¼ cup soaked wood ears
• ¼ cup soaked dried shiitake mushrooms
• ¼ cup or small block of spiced tofu
• ¼ cup packaged firm tofu
• ¼ cup bamboo shoots (canned or fresh)
• 2 eggs
• 1 scallion
• 8 cups chicken stock
• ½ tsp fresh ground white pepper
• 2 tsp dark soy or mushroom soy sauce
• 1 tbsp light or seasoned soy sauce
• Salt to taste
• 1 tsp sesame oil
• 3 tbsp white vinegar
• 1 pinch of sugar