Buttermilk Oat Flour Biscuits - Gluten Free

4 1/2 Cups Oat Flour (divided)
1 1/2 Cups Buttermilk
1 Teaspoon Sea Salt
2 Teaspoons Baking Soda
2 tbsp butter, softened
1 large egg
1 extra egg for glazing.

Mix 2 cups of oat flour and the buttermilk into a bowl and mix until the flour and milk are well blended.  Soak overnight.

Preheat your oven to 350 º F.
Add remaining flour, 2 teaspoons baking soda, 1 teaspoon salt and melted butter into the flour mixture. Mix it thoroughly. Turn onto well-floured surface.
Pat down the dough and roll it out until it’s about ½-inch thick.
Cut out your biscuits with a glass or circular shaped cookie cutter.  Place your biscuits on a greased baking sheet.

Brush the tops with beaten egg.
Bake at 350 º F for about 15 minutes.