1. Pour butter into a non-stick pan and heat it to 300-600 watts in the hot pot of an induction cooker until it melts.
2. Pour in the cotton candy and continue to heat and stir until the cotton candy melts.
3. After the marshmallows melt, pour in the milk powder and stir well.
4. Stir into a smooth dough that does not stick to the pan.
5. Turn off the induction cooker, then immediately add peanuts and stir well.
6. Pour it into a non-stick pan while it is hot, and then flatten the surface with a rolling pin.
7. After nougat is completely cooled, cut it into the required size and shape according to personal preference.
8. Cut and serve.