Prepare all the ingredients and sieve dry ingredients

On a gas cooker place a big sufuria and lid inside and lower the heat

Grease baking tin

Cream butter and sugar

Beat eggs one by one and add to the mixture

Add vanilla essence and stir till well mixed

Now alternate dry ingredients(flour, baking powder, bicarbonate of soda, cocoa) with buttermilk,,, start with flour and end with flour

Put the mixture into a baking tin and cover with a well lid

Now place the baking tin in a preheated big sufuria and cover with lid

Bake for 50mins