1. Butter softened at room temperature
2. Add white sugar and stir well
3. Add eggs and stir well
4. Sift into the iron rod yam mud and stir well
5. Pour in the cooked black sesame seeds and stir well
6. Mix the low powder and baking powder and sift in
7. Into dough
8. Take the dough the size of the thumb nail cover, round it and place it in the baking tray, and squash it from the middle with your fingers
9. Preheat the oven, 120 degrees, middle level, upper and lower fire, bake for 15 minutes, ok. The biscuits taste soft at this time
10. If you like crispy, bake for another five minutes
Tips:1. The yam mud is sieved at the end, so that the taste is more delicate, but this process requires a little patience.
2. The time of baking depends on the temper of your own oven, and the most important thing is to watch it frequently.
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