Cooking Steps

1. 

   Step1:Melt the butter. Add sugar and salt and beat with an egg beater. It's not very even or together. Add the egg mixture twic

2. 

   Step2:Mix well. Add cocoa powder and flour. Knead the dough by hand. Roll the dough with a rolling pin

3. 

   Step3:Shape the biscuit grinder. Put the tin paper in. Put it in the oven. The middle layer is 160 degrees and 15 minutes