Chocolate class with chef Ko Eun su

Ko from Seoul

September 19-21, 2022 - 3 DAYS

Ko Eun Su



Brooklyn, NY

$ 1260 $ 882
30% discount off all classes for north american cercle v members
Interested in participating in the class Have questions ? Email

Take this class to learn new flavors and techniques and get inspired by the tastes of Seoul!

We are so excited to welcome Chocolatier Ko Eun Su, traveling all the way from Seoul, South Korea, to teach the art of chocolate bonbons at l’École Valrhona Brooklyn! His chocolate boutique “Piaf Artisan Chocolatier”, named after French singer ‘Edith Piaf’, specializes in framed and molded chocolate bonbons with elaborate flavors, decorations, and shapes.

Learn from Chef Ko the fundamentals of bonbon making, such as different methods for chocolate tempering, enrobing by machine and by hand, and how to safely and properly store bonbons. Once you’ve got the essentials down, Chef Ko will teach you his decoration techniques for beautiful and elegant bonbons with an emphasis on natural coloring.

Even more exciting, Chef Ko will show you how to incorporate exotic Asian flavors into your products! Extend your offering with new flavors to surprise your customers and distinguish yourself from the competition!

Learn how to make single and multi-layered fillings with unique flavors, colors, and textures with ganache, praliné, pâte de fruit, meltaway, and liquid fillings, with a focus on shelf life and without artificial ingredients.


· Produce attractive bonbons with exotic Asian flavors and without artificial ingredients.

· Make single and multi-layered fillings with unique flavors, colors, and textures with ganache, praliné, pâte de fruit, meltaway, and liquid fillings.

· Understand the principle of tempering and learn practical, diverse, and flexible tempering methods.

· Learn safe and efficient ways to store bonbons.

· Apply various decorations to make bonbons beautiful and elegant using minimal artificial colors.

Class price includes light breakfast and coffee in the morning, lunch each day, a class recipe book, apron, pen, a gift bag, diploma, as well as all materials, ingredients, and equipment needed for class.

Due to the Covid-19 pandemic classes no longer include a class dinner.

Chef Ko Eun Su majored in computer science and worked as an engineer before becoming fascinated by French artisan chocolates during a trip to Japan 15 years ago.

After taking several courses in France and Japan he started his job as a chocolatier in 2008. 

He ended his career as an engineer to pursue his own chocolates which are elaborate and perfect in tastes, flavors, and shapes.

Chef Ko served as an advisory committee member for ‘Salon cu Chocolat Seoul’ and won 'Blue Ribbon Survey’ awards’ ‘Dessert Chef of the Year' in 2016. 

In Gangnam, Seoul, he runs an adorable chocolate boutique ‘Piaf Artisan Chocolatier’ which was named after French singer ‘Edith Piaf’. His chocolates receive incomparable love by gourmets in Seoul and he has collaborated with numerous luxury brands.

Chef Ko has been teaching chocolate classes for more than 10 years. 

Including many famous Korean dessert chefs, he has trained a lot of chocolatiers in Korea as well.


If you cancel 45 days or more prior to the first day of class, you will be completely refunded. If you cancel within 45 days you will receive a 50% refund or 100% class credit to be used within a year of the cancellation date. If you cancel within one week of the class you will receive a 50% class credit to be used within one year of the cancelation date. 
We do our best to avoid canceling or rescheduling classes, however, please be aware that classes are subject to change due to conflicts, instructor illness, travel issues, etc. We will contact you immediately in case of any date changes or course cancellations. In the case a class is rescheduled or canceled we offer you the choice of a full refund or a class credit to be used within one year of the cancelation date. 
As Valrhona is not responsible for your accommodations we recommend booking refundable forms of transportation and accommodations, so if an unforeseen change occurs you will not be charged.

Covid Policy: 

Valrhona takes the health and safety of our students, instructors, and employees very seriously. To help address the risks posed by COVID-19, we are implementing certain protocols for classes held at our school and with our school partners. Until further notice, all students, employees, and instructors must follow the below protocols when attending an in-person class held by l’École Valrhona Brooklyn.

Please direct any questions or concerns regarding the below protocols to Danielle FitzPatrick, l’École Manager,

Before Attending a Class, Students, Employees, and Instructors Must: 

  • Before coming to visit, self-monitor for symptoms of COVID-19. For a list of symptoms please refer to the CDC Website here. If the student is experiencing any symptoms or circumstances of COVID-19 or is feeling sick, they are required to notify the l’École Valrhona Brooklyn team immediately and will be provided with a class credit to attend a future l’École Valrhona Brooklyn class.
  • 1-3 days before the first class date, provide proof of a negative COVID-19 rapid test result. Home tests are not accepted unless validated by a third party. Please email test results to Your information will be kept confidential.  
  • If you are unable to attend class due to the requirements above, you will be provided with a credit for future classes, as determined by l’École Valrhona Brooklyn. 

During Class, Students, Employees, and Instructors Must: 

  • Refrain from physical touching. Students are prohibited from shaking hands, hugging or embracing, and cheek-to-cheek kissing. 
  • It is optional for students to wear a face covering while in class. 
  • Practice social distancing whenever feasible. 
  • Self-monitor for symptoms of COVID-19 and leave the class immediately if you experience symptoms. You will be provided with a credit for future classes, as determined by l’École Valrhona Brooklyn. 
  • Wash hands and/or use hand sanitizer. Wash your hands often with soap and water for at least 20 seconds or use hand sanitizer. 
  • Key times for handwashing include: 
    • Before and after class 
    • After blowing your nose, coughing, or sneezing 
    • After using the restroom 
    • Before eating or preparing food 
    • After putting on or touching face coverings. 
  • Avoid touching your eyes, nose, and mouth. 
  • Cover your sneeze or cough. Cover your mouth and nose with a tissue when you cough or sneeze, or use the inside of your elbow. 

Failure to comply with any of the above precautions will result in removal from class, with no class credit given. Valrhona and its partners reserve the right to remove students from class at their own discretion. 

We thank you for your understanding and patience as we adjust to this new normal. Please direct any questions or concerns you may have about keeping our employees and clients safe to our l’École Valrhona Brooklyn team at

Chef referral program

Refer a friend for l'Ecole Valrhona Brooklyn 2021 professional class and receive a $200 credit

Learn More