Both deal with 3 siblings navigating through life and love and that the only time they spend together is over food. Although food plays a more central role in Eat, drink, man, woman.
Both movies are part of Ang Lee's 'Father Knows Best' triology, so they both have a family focus and similar vibe. Both also star Winston Chao and Sihun Lung (in both movies he plays the father character) and have comedy elements as well.
Both movies are part of Ang Lees "father knows best trilogy" and focus on the relationship between a widowed father and his child. In both films the father even gets a little romance plot and they have funny moments. Both dads are portrayed by the same person too.
Both are similarly set around family and food. They also have similar characters: the widowed chef of a father, a career oriented daughter, a heart broken daughter etc.