I'm going to make a white cake with swiss meringue buttercream for my birthday this friday. When I'm done, I'm going to have 19 egg yolks.
Any ideas on what I can make with those?

I freeze my egg yolks and when I have enough, make this recipe. You'll have more than enough!!!!!
http://www.marthastewart.com/recipe/caramel-custards

There have been several threads discussing this. Here are a couple of the longer threads:

http://cakecentral.com/modules.php?name=Forums&file=viewtopic&t=607924&postdays=0&postorder=asc&&start=0

http://cakecentral.com/cake-decorating-ftopic-582358-0.html

For more ideas, go to the Forums section, select Search from near the top of the page, put the word yolks in the search line. To limit results, also click Search Topic Title Only.

HTH

ice cream!