INGREDIENTS
1 3/4 cups
all purpose gluten-free flour
3/4 tsp
xanthan gum (omit if your blend already contains it)
1/2 cup
unsweetened Dutch-processed cocoa powder
3/4 cup
granulated sugar
1/4 tsp
kosher salt
8 tbsp
unsalted butter, at room temperature
1
egg (50 g, weighed out of shell) at room temperature, beaten
1 1/2 tsp
pure vanilla extract