The Dessert Girl(2009)

Baipai is an engineer girl but she likes to dress as a guy so many people often misunderstand that she is a guy. She's good at martial art because she has been trained by her uncle, the former Muay Thai champion. However, she's also good at cooking food and making desserts because she has been trained to do it since she was a kid by her grandmother and aunt. She quits her engineering job because she has problems with her boss. So, she gets the idea to open her own Thai dessert shop. One day, destiny makes Baipai accidentally meet Wacharawat, a handsome mafia boss and the owner of an entertainment complex business. However, it's not a good first impression for Baipai because he steals her first kiss and it makes her angry and hate him. Anyway, she also makes Wacharawat pissed off because she punched him in front of his followers, so he wants to get back at her so keeps teasing her. However, Wacharawat is enchanted by Baipai's cooking skills and it makes him want to stay closer to her, so he tries to win her heart. Baipai gets mad at him for making her life troublesome, so she tries to get revenge on him by dressing up like a guy and stealing his fiancee.