Whole Foods

Here's a little old article 

 http://www.thecrimson.com/article/2009/11/5/mankiw-one-here-over/

What’s in the fridge? “Nothing special, standard junk. We love Whole Foods, so most of our food is from there. Here we have some yogurt, some chicken breast...a lot of stuff is organic,” Mankiw says. 

 I love Whole Foods too, except for high prices.