Preheat oven to 350ºF
Melt butter in microwave and set aside to cool
Combine almond flour, coconut flour, beef gelatin powder, sift cocoa powder, granulated sweetener and salt
Combine cooled butter with eggs and liquid stevia
Now combine dry and wet. Spread out in a 9x9 inch baking pan
Bake for about 15-25 minutes in your pre heated oven. Start checking at 15 minute mark then every 5 minutes after that.