I know, I know - the jornadas culturales are over and we've had our cake and eaten it! But I just couldn't resist sending you this link to a very traditional cake - carrot cake. Look at it and I'm sure you'll agree it looks completely irresistible.
Click here to find out how to make it. By the way, 'to have your cake and eat it' means to have two things which would normally be contradictory e.g. you want to save money and go on a cruise around the world so you want to have your cake and eat it! The idea behind this idiom is that if you have eaten your cake, you don't have it any more, but if you are greedy (or just plain lucky) you can still eat it again even after you've eaten it!!!