Break the eggs in a bowl and separate the white from the yolk

Whisk the egg white very well and keep aside

Whisk ur egg yolk,sugar and butter together until well combined

Add your baking powder to the flour

Add the whisked egg whites to the egg yolk and mix

Add your dry ingredients to the wet and mix together until well combined

Grease your baking pans with butter and pour the batter inside

Bake.