We take you to a Yunlin restaurant that's constantly packed with people. The secret lies in their special dish of the so-called duck thick soup. Now, let's find out the ingredients that's making this delicacy so flavorful.

This tasty thick duck soup is being heated in the pot, with ingredients such as shredded ginger and bamboo shoots and a large piece of duck meat.

It has more ingredients than many expect.

As the restaurant owner continues to stir the soup, customers keep coming inside.

The owner is busy serving customers with the delicious duck soup.

Customers are recommended to taste the soup along with some rice or noodles.

The soup is so tasty that both the young and the aged love it.

The owner said that the secret lies in the stock brewed with garlic, onions fried with duck oil and the fumigated duck meat, which gives the soup a unique flavor.

And the delicious entrée alone may be enough to explain why it's hard to find an empty seat whenever you visit the eatery .