Ingredients: three-quarters of a cup of flour, half a cup of cocoa powder, 1 teaspoon of baking powder, 2 eggs, half a teaspoon of vanilla essence, half a cup of milk, 1 teaspoon of lemon juice, half a cup of butter and 1 cup of heavy cream.

Method: mix the milk and lemon juice and leave covered. Sift the flour, cocoa powder and baking powder together. Beat the eggs with the vanilla essence, the buttermilk (the milk mixture) and the butter using an egg beater or whisk. Now add the flour mixture a little at a time to make the cake batter. Pour into cupcake cases and bake in an oven preheated to 160 degrees for 25 minutes. When cool, cut out a round piece from the top. Fill the inside with cream. Cut the removed piece in two and set the halves on top like butterfly wings.

Ingredients: 1 cup of semolina, half a cup of sour yoghurt, half a cup of sugar, 3 tablespoons of cocoa powder, a quarter cup of oil, 1 teaspoon of baking soda, half a cup of milk, half a teaspoon of essence and half a teaspoon of lemon juice.

Method: grind the semolina in a blender. Add the sugar, cocoa powder, yoghurt and oil and blend again. Leave covered for 15 minutes. After 15 to 20 minutes, mix in the milk, essence, baking soda and lemon juice. Brush cup moulds with oil, pour in the batter and bake in an oven preheated to 160 degrees for 20 to 25 minutes.

Source: Prothom Alo. First published in Bengali on The Agro News.