Step 1

Preheat oven to 350F. Grease an 8.5" loaf pan and set aside.

Step 2

In a large mixing bowl, whisk together the almond flour, coconut flour, baking soda, and salt and set aside.

Step 3

Separate the eggs. Set aside the whites.

Step 4

Blend the egg yolks, oil, water, and vinegar in a high speed blender on medium speed for 5 seconds until combined.

Step 5

Turn off the blender and allow the mixture to rest for 1 minute.

Step 6

Add the egg whites, and mix for 10-15 seconds until the mixture is frothy.

Step 7

Add the dry ingredients all at once and immediately process on high for 5-10 seconds until the batter is smooth.

Step 8

Pour the batter into the prepared loaf pan and smooth the top into an even layer.

Step 9

Bake for 50-70 minutes, until a tester inserted into the center comes out clean.

Step 10

Allow the bread to cool for 10 minutes in the pan before turning out onto a wire rack to cool completely.