Put sugar and blue band in a bowl.. Stir continuously until the yellow colour disappear.. Until it's white

Add the flour and baking powder.stir continuously

Add the eggs and stir until it is fine

Smear blue band in a baking sheet... Put a pinch of flour in the baking sheet and smear

Put the mixture in the baking sheet making sure that it's well based in the baking sheet

Put it in the oven at a temperature of 150 degrees for 1hr 30 min

Test the cake using a dried knife... If there is no wet mixture... The cake is ready