Bring butter to room temperature
preheat oven to 300ºF
Combine almond flour, coconut flour, beef gelatin powder, granulated sweetener and salt
Cream butter, heavy cream, liquid stevia and lemon extract. Leave egg out for now
Combine dry and wet with hand mixer. Make sure everything is mixed well then combine egg in last
using a double scoop method with a cookie scoop place on a non stick surface. Place in preheated oven and bake for 15-20 minutes checking at 15 minute mark. When down edges will be brown