1. In a bowl, melt the butter in the microwave for 1 minute. Add the eggs and sugar, then mix well.

   
   

2. Add the flour, baking powder, vanilla, and milk. Mix until smooth.

   
   

3. Divide the batter into two equal portions.

   
   

4. Add the cocoa powder to one half and mix well.

   
   

5. Grease a microwave‑safe dish.

   
   

6. Pour the plain batter into the dish, then top with the chocolate batter.

   
   

7. Using a knife, swirl the two batters to create a marbled effect.

   
   

8. The cake is ready when a knife inserted in the center comes out clean.

   
   

9. Unmold the cake.

   
   

10. Enjoy warm or cold, with or without a drizzle of melted chocolate.

Inspiration : Cuisine AZ