Gluten Free White Sandwich Bread

INGREDIENTS

3 cups

all purpose gluten free flour (I used Better Batter)

2 1/4 tsp

xanthan gum (omit if your blend already contains it)

2 1/2 tsp

instant yeast

1/4 tsp

cream of tartar

2 tbsp

granulated sugar

2 tsp

kosher salt

1 1/2 cups

warm milk (about 95°F)

4 tbsp

unsalted butter, melted and cooled

1 tsp

apple cider vinegar

egg whites (50 g), at room temperature