Secret Ingredient is a Philippine romantic miniseries starring South Korean actor Sang Heon Lee, Filipino actress Julia Barretto, and Indonesian actor Nicholas Saputra.

The show was created by Corinna Vistan, written by Baek Dong-hoon, and directed by Cho Young-gwang.

This is Viu's first regional original drama production featuring an ensemble Asian cast - from the Philippines, South Korea and Indonesia.

A story about a Korean man who gives up his affluent life in Seoul in search of the childhood friend he’s never forgotten.

[6] Lee later revealed in an interview that he received a direct casting for the lead role instead of auditioning.