All purpose Flour/ Maida : 1 cup
Butter : 1 cup
Condensed Milk : 1 cup
Baking powder : 1 tsp
Baking soda : 1 tsp
Vanilla essense : 1 tsp
Cocoa powder : 3 tbsps
Salt : a pinch
Preheat oven to 200 C for 10 minutes.
Sieve Maida, Baking powder and Baking soda together.
In a large bowl add butter,condensed milk, vanilla essense and mix well.
Add flour little at a time and keep mixing.
Make sure there is no lumps.
Pour 1/2 amount of batter into the greased baking tin.
Add cocoa powder to the remaining batter and gently mix.
Pour the cocoa mixture over it and briefly swirl the mixture together with a fork to get a marble effect.
Bake fro 40 minutes.
Cool the cake on a wire rack..