01 -
Turn the oven to 175°C so it heats up. Slide the baking sheet in and bake your cookies between 10 and 12 minutes. When the sides of your cookies are holding together, pull them out. Let those cookies take a breather on the sheet before you move them to a rack to cool off.
02 -
Mix cocoa powder into one half of your dough. Keep going till that chocolate is totally blended in.
03 -
Take your finished dough and break it into two equal piles. One stays plain. That's your vanilla part.
04 -
In another bowl, stir flour, salt, and baking powder with a whisk. Little by little, dump this dry mix into your butter mix. Don’t overdo it; just mix till the dough sticks together.
05 -
Beat in one egg. Then toss in the other and mix again. Now pour in vanilla and mix till it's all one big blend.
06 -
Grab your large mixing bowl. Toss in the softened butter with the sugar and whip it with a mixer till it’s fluffy and light.
07 -
Drop scoops of chocolate and vanilla dough back and forth onto your lined sheet. Grab a skewer or toothpick and gently twist it around to make those chill zebra swirls.