Preheat oven to 350 degrees F.
Whisk together almond four coconut flour, baking powder, baking soda, salt, xanthan gum, cocoa powder. Set aside.
Mix avocado oil and erythritol (Swerve) together)
Add eggs one at a time.
Add coffee, milk, and sour cream. You can mix these together first.
Add vanilla to wet ingredients.
Add dry ingredients and mix on medium just until mixed. Don't overmix.
Spray cupcake liners.
Pour evenly making 12 cupcakes.
Bake for 15 minutes or until a center is 207 degrees f. (no more than 210).
Cool completely before frosting.