Chocolate Dipped Grain Free Shortbread

good quality unsalted butter

blanched almond flour

+ 1 Tablespoon coconut flour

salt (omit if using salted butter)

granulated monk fruit sweetener ( or granulated stevia)

large egg whites (should equal 1/4 cup)

finely chopped dark or semi sweet chocolate

coconut oil

espresso powder (optional but recommended; it enhances the chocolate flavor)

salt (optional)