The Mahane Yehuda open market in Jerusalem is known for having great, fresh produce (and more). Considering that it's less expensive than stores, and much higher quality, you'd think that going there regularly would be a no-brainer. And yet, it's out of the way for me, and I don't go as often as I should.
Last time I was there, though, I realized that it's also a great source of things to photograph. My favorite was this (click on the photo to enlarge - it's got great texture!):