Nga Ku (a.k.a Chi Ku or Arrowhead) is one of the favorite snacks during Chinese New Year. It is totally fabulous and it is so popular; every household must have this snack to serve their guests during Chinese New Year. These potato chips like cookies are crunchy, tasty and addictive. Once you start crunching on the Nga Ku crisp, it’s hard to stop. Trust us, bring this snack home and enjoy during this CNY.