1 cup tapioca flour
1 cup white rice flour
4 Tablespoons sugar
1 teaspoon baking soda
1 teaspoon xanthan gum
1/2 teaspoon salt
Mix dry ingredients with a wire whisk in a large bowl leaving a slight well in the center.
4 Tablespoons melted butter
2 cups whole milk
4 eggs separated
Beat egg whites in a medium bowl with an electric hand mixer on high until stiff peaks form.
Mix egg yolks in a small bowl with wire whisk, then continue mixing as you pour the milk into the egg yolk bowl. Once egg yolks and milk are thoroughly mixed, pour in melted butter while mixing.
Combine liquid ingredients with the dry ingredients by pouring into the well of dry ingredients. Mix with whisk.
Combine egg whites with batter by sliding them whole into the batter with a spatula as an aid. Use spatula to gently fold the egg whites into the batter until homogeneous. Do not mix or beat, simply fold them in.
Plug electric belgian waffle maker in, and melt 4 more Tablespoons of butter while you are waiting for the griddle to heat up.
Use a basting brush to coat the griddle (both sides) with the melted butter then pour 1 cup of batter into the center of the griddle, and close the griddle. Once cooked, remove and brush with butter and load with real maple syrup.