Directions

1Preheat oven to 350 degrees F for 5 minutes Grease and flour a baking tin.

2Mix the flour, baking powder, and baking soda together by passing them through a sieve a couple of times.

3Beat the eggs with a mixer until pale and smooth. Add erythritol, stevia and vanilla extract to the mix. Add the dry ingredients with melted butter and milk. Mix well.

4Distribute the cake batter equally in 2 containers, add cocoa powder to one them (but not the other) and mix well.

5Pour the batter alternately into the baking tin, make a couple of swirls with a butter knife and bake for 40 to 45 minutes or until toothpick comes out clean.

6Cool on wire racks for 10 minutes. Cut the cake in slices and serve.