SHREK: For your information, there's a lot more to ogres than people think.
SHREK: Example? Okay. Uh... ogres are like onions.
DONKEY: They stink?
SHREK: Yes. No!
DONKEY: Oh, they make you cry?
DONKEY: Oh, you leave them out in the sun, they get all brown and start sprouting little white hairs.
SHREK: No! Layers! Onions have layers. Ogres have layers. Onions have layers. You get it? We both have layers.
DONKEY: Oh... you both have layers... You know, not everybody like onions. Cakes! Everybody likes cakes. Cakes have layers.
SHREK: I don't care what everyone likes. Ogres are not like cakes... You dunce, irritating, miniature beast of burden. Ogres are like onions. End of story.