Need help, I'm in America (Texas) and I want to know what Meringue Nests are?

I want to make this recipe a href="http://www.nigella.com/recipes/view/eton-mess-19" rel="nofollow"http://www.nigella.com/recipes/view/eton…/a and I don't know where to buy meringue nests. If I can't get them here can someone tell me what an American version would be than you