In a bowl whisk the eggs as much as you can,

Add sugar, Baking powder,salt and whisk well

Add flour and mix without any lumps(sift before adding all dry ingredients)

Add melted butter,vanilla essence mix and make a smooth batter

Grease pan with butter,pour the batter into the pan,tap to remove air bubbles

Bake in a preheated oven for 30 mins

Insert a tooth pick into the cake,if it comes out clean, the cake is done