soybean flour cookie

I like soybean flour! Every year I'm looking forward to eat soybean flour rice cake:)
This time I tried to make soybean flour cookies.

*hotcake mix    100g

*soybean flour  30g

*potato starch   20g

*butter              100g

*sugar               30g

*egg yolk          1

1.put butter on a bowl and cover with plastic wrap. rub with hand and make it creamy.

2.add sugar and egg yolk. make it smooth.

3.add hotcakemix, soybean flour and patato starch and mix.

4.make it 2cm sphere and cool in freezer for 20 minutes.

5,bake them in an  oven for 12-15 minutes by170 degree.

I like it. If you like soybean flour, please try:)