Kaastangel / Cheese Cookies came originally from the Netherlands. In the past, during the colonial era, the Dutch came to Indonesia. They brought many influences in many factors. One of them was food.
The words "kaas" & "stengels" are Dutch words. Kaas means cheese & stengels means bar. Kaasstengels or cheese bar now is adapted as Kastengel (Indonesian word).
This cookie is very famous in Indonesia. People normally buy them in jars for Idul Fitri, Christmas, Chinese New Year or even just for personal consumption.
The main ingredient that makes this cookie delicious is Dutch cheese like Edam cheese or Gouda cheese.
Both of the pictures look the same. They have red skin outside.
Once recipe makes 700gr Kaastangel. Best to keep the cookies in an airtight container like Tupperware. It will make them last for 1-3 months.