Palm sugar can be substituted with any other sugar.
In place of oil olive oil can be used.
When baking preheating is most important.
The cooking time should be noted carefully otherwise it burns.
Make thin cookies as possible because if it is thick the center becomes uncooked and the coking time should be increased for this.
Use any plastic sheet while rolling to avoid sticking.
Fox-tail millet flour is readily available or you can grind the whole millet by slightly roasting it.