Add almond flour, coconut flour, monkfruit, and baking powder to a medium bowl and mix well.

In a small bowl, add egg, heavy whipping cream, vanilla and almond and mix together until well combined.

Add egg mixture to flour mixture and mix and fold with a spatula.

Melt butter into mug and coat the bottom and sides. Remove excess.

Add batter to mug and microwave for 90 seconds or until cooked.

Lightly jiggle mug and flip upside down.

Let cool

Combine all ingredients into small bowl and beat until creamy.

I took a small portion out and colored it pink with coloring. This is optional.

Be careful frosting the cake as it will be soft. Warming the frosting will help if needed!