1 tablespoon ghee, melted
1 tablespoon granulated baking sweetener (such as Splenda)
1 tablespoon coconut flour
2 tablespoons almond flour
1/8 teaspoon baking powder
1 pinch salt
1 teaspoon cinnamon
1 egg
2 tablespoons unsweetened apple juice
1/8 cup shredded Granny Smith apple
Put all of the ingredients in a microwave-safe mug and mix well to combine.
Put the mug in the microwave and cook about 1 minute or until the cake is set.
Allow to cool 1 minute before serving.