Ingredients:

Flour- 1 cup
Corn flour- ½ cup
Butter- ¾ cup
Sugar- 2 tbsp
Baking powder- 2 tsp
Baking soda- 1 tsp
Milk- 1cup + 4 tbsp
Vanilla essence- 1/2 tsp
Cocoa powder- 1/4 cup
Dark chocolate- 200 gms

Method:

Sieve flour, corn flour, cocoa powder, baking powder, and baking soda.Beat sugar and butter till the mixture is creamy.. Add flour and milk and mix well. Cut chocolate into small pieces and melt it with 4 tbsp milk in a pan on very low heat.Add melted chocolate and vanilla essence to the cake batter. Mix well. Pour the batter in a greased pan and bake in a pre heated oven for 30 to 35 minutes at 180 degree Celsius.