Gluten Free Meltaway Cookies

INGREDIENTS

1 1/2 cups

all purpose gluten free flour (I used Better Batter)

3/4 tsp

xanthan gum (omit if your blend already contains it)

1/3 cup

cornstarch

1/2 tsp

baking powder

1/4 tsp

kosher salt

2/3 cup

confectioners’ sugar

12 tbsp

unsalted butter, at room temperature

egg white (25 g), at room temperature

1 tsp

pure vanilla extract

Lukewarm water by the half-teaspoonful, as necessary

4 oz

miniature semi-sweet chocolate chips (optional)