Ideas for chocolate bar commercial? easy 10 pts.?

I'm doing a commercial for school on a chocolate bar, I have the name ready but I'm completely stumped when it comes to thinking of a slogan, does anyone have any ideas on what slogan I should use? Much appreciated...

eat once than get the desire forever

yummy light and Delicious bar


dark solid and mouth watering ummmmm

you can lick it and feel the world