Preheat oven to 375 or 190 Celsius Separate the egg whites from the yolks.

In a hand or stand mixer to beat egg whites and Cream of Tartar until soft peaks form.Use a hand mixer to beat egg yolks, butter, almond flour, baking powder and salt.

Mix well until combined.

The dough will be thick.Add 1/3 of the beaten egg whites to the almond flour dough mixture and mix together.Add the rest of the egg whites to the dough mixture and combine.

Do not over mix!Buttered a 8x4 loaf pan and add bread mixture.

Bake for 30 minutes.

Check to make sure bread is cooked with a toothpick.