In a bowl take milk and add vinegar in it, and keep aside for 5 min.

Now sieve flour, baking soda, salt, and sugar. Mix it.

Now add oil and vanilla essence and milk mixture. Mix it well.

Now pour the mixture in mould.

Now keep it in preheated oven, for 10-15 min.

Now beat the butter, for 5-6min, or till flappy.

Now add sugar little by little, so that no lumps formed.

If cream is stiff so add 1tbsp milk. Mix it.add vanilla essence.

Now Mix it well. Butter cream is ready.

Now apply butter cream, on cupcake.

Put one ice cream cone on cupcake.

Make leaves with small open star shape.