Tips
1. The spices in the spice bag are well-tested. It is ok if you don’t have all the spice ingredients. But don’t add too much single spice, because it might have a strong taste to will change the soup taste.
2. Fry board bean paste until red oil come out to achieve the best aroma.
3. Only use low heat to fry sugar, because it is easy to be overcooked and burnt.