Preheat oven to 375 degrees F / 190 degrees C.
In a large mixing bowl, combine 1¼ cups fine almond flour, 3½ teaspoons xanthan gum, ⅓ cup fine coconut flour, 3 tablespoons flaxseed powder and 1 teaspoon pink Himalayan sea salt.
1¼ cups fine almond flour, 3½ teaspoons xanthan gum, ⅓ cup fine coconut flour, 3 tablespoons flaxseed powder, 1 teaspoon pink Himalayan sea salt
In a separate bowl, place 3 egg whites, 1 egg, ½ cup buttermilk and 3 tablespoons raw apple cider vinegar. Beat until well combined.
3 egg whites, 1 egg, ½ cup buttermilk, 3 tablespoons raw apple cider vinegar
Add wet ingredients into dry ingredients and stir together until it forms into a dough.
Add half of the ½ cup warm water and stir to incorporate. Add remaining water and stir until the water is fully absorbed.
½ cup warm water
Sprinkle almond flour onto a countertop, where you will form the dough. Roll the dough in almond flour to coat and form into a round ball. The dough will be sticky, extra kneading is not necessary. Sprinkle almond flour on top of the dough.
Spray a 9.5 inch round glass baking dish with cooking oil. Place dough into the baking dish. Make a few half-inch deep slices on the top of the dough. Dust lightly with almond flour.
Cover tightly with foil. Let bread rest for 15 minutes.
Bake for 35 minutes and then reduce oven temperature to 300 degrees F / 149 degrees C. Continue baking for 1 hour. Uncover and bake 25 to 30 minutes, until the middle is dry and the edges and top are evenly browned.
Cool for 15 minutes. Slice and enjoy!