30g melted butter
1 yolk
10g milk
pinch of salt

milk flavor
45g cake flour
40g sugar powder
40 g milk powder

Matcha flavor
45g cake flour
40g sugar powder
36g milk powder
4g matcha powder (or green tea powder)

Chocolate flavor
45g cake flour
40g sugar powder
35g milk powder
5g cocoa powder

1. I used whole milk powder (skimmed milk powder is also available)

2. Cool the baked cookies completely and separate them from the mat.