STEP 1/6
First, put it at room temperature and whip the softened butter The weather is cold these days, so it doesn't get soft easily even if you leave the butter at room temperature.
STEP 2/6
Whip the butter well, then add the sugar powder and mix!
If you add a pinch of salt, it'll taste better and become a delicious chocolate buttering cookie!
STEP 3/6
Add the egg whites and mix them well At first, it seems to separate slightly, but then it mixes gently with the butter.
STEP 4/6
Add the flour and mix as if cutting with a spatula.
# If you mix it in a shape, the texture of the cookie is more crispy.
STEP 5/6
If you add cocoa powder and mix it well, you're done making chocolate buttering cookies!
STEP 6/6
At first, it's hard to squeeze it into a round shape like this, but if you keep squeezing it, you can feel it.