Sponge Cake recipe by Naseema Zulfi Khan

Ingredients

• 1 tablespoon butter
• ½ cup milk
• 3 eggs, separated
• ¾ cup normal sugar
• 1 ½ teaspoon cream of tartar
• 1 pinch salt
• 1 teaspoon vanilla essence ,(add extra if u like )
• 1 cup sifted all-purpose flour
• 1 teaspoon bicarb of