Chocolate Gluten Free Waffles

INGREDIENTS

1 1/2 cups

Basic Xanthan Gum Free Gluten Free Flour Blend

1/2 tsp

xanthan gum

4 tbsp

Dutch-processed cocoa powder (I use Rodelle brand and I buy it on amazon), plus 1/4 teaspoon more

1 1/4 tsp

baking powder

1/2 tsp

kosher salt

3 tbsp

sugar

4 tbsp

unsalted butter, melted

1 tsp

pure vanilla extract

eggs at room temperature, separated

3/4 cup

milk, at room temperature

1/4 cup

heavy cream, at room temperature

1/8 tsp

cream of tartar