Sieve the flour, baking powder, baking soda and set aside

Do the creaming method by mixing the butter and sugar in a bowl till smooth and fluffy. Add whisked egg gradually, continuing mixing and add milk, flavor. Add the sieved flour, baking powder and baking soda and mix very well

Arrange the baking cups and pour a spoonful of the mixture in the cups. Bake in the oven and do not open until it has risen or you can perceive cake aroma, if you open the cake while the cake is still rising, it will collapse and stop rising. When the cake is well baked it will pull away from the side of the pan. NOTE: Always preheat the oven before putting your batter