- 2 tablespoons all-purpose flour
- 2 tablespoons coconut flour
- 1 tablespoon cocoa powder
- 1/4 teaspoon baking powder
- 3 1/2 tablespoons almond milk, divided
- 1/2 teaspoon vanilla extract
- 3 tablespoons chocolate-hazelnut spread (such as Nutella®)
- Stir all-purpose flour, coconut flour, cocoa powder and baking powder together in a small bowl; add 3 tablespoons almond milk, vanilla extract, Nutella(R) and 1/2 tablespoon milk, respectively, stirring between each addition until you finally have a smooth batter. Transfer batter to mug.
- Cook in microwave for 1 minute. Allow to rest for about 5 seconds and continue cooking until a toothpick inserted in the center comes out clean, about 30 seconds more.
- Let cake cool for 2 to 4 minutes.