Add 14 carrots (carats) to it.
just add a G and now she's gone.
Just add water.
You can mash potatoes, but you can't pee soup. (sorry sorry. Really. I've loved this joke since I was... oh.. six...)
Anyone can roast beef, but not everyone can pea soup. (As told by my 8yo, who made me laugh with a joke for the first time. Proud dad moment.)
Put 14 carrots in it.