Sugar-Free Lemon Mug Cake

Instructions:

1. In a microwave-safe mug, whisk together the almond flour, coconut flour, baking powder, powdered erythritol, and salt.
2. Add the melted butter, lemon juice, lemon zest, and egg to the mug. Whisk until well combined.
3. Microwave the mug cake on high for 1-2 minutes, or until the cake is cooked through and firm to the touch.
4. Let the cake cool for a minute or two before enjoying.

Optional: top with whipped cream, fresh berries, or a drizzle of sugar-free lemon glaze (made with powdered erythritol and lemon juice).

Enjoy your delicious and Keto-friendly Sugar-Free Lemon Mug Cake!