Think Thin (clever name, right?) brand chunky Peanut Butter bar. It has 20g of Protein, zero sugar and is gluten free. Tasted like a fancier/healthier Reese's cup.

Check it out it your in need!

Do you know what the carbs were?

I've heard great things about these! Haven't tried them yet. Apparently we sometimes get them at work (Google) in the snack section but we don't get very many I'm told, and then they're all gone! I love peanut butter, do they have additional flavors?

Where did you find them?

Trader joes sells these and they can be found in grocery stores and some gas stations. I am glad you like them. If I recall, they have kind of high carb from sugar alcohols (17 g) and calories are also kind of high (270) per bar. They are big so may fill better than other bars.

http://www.amazon.com/thinkThin-Chunky-Peanut-Butter-2-1-Ounce/dp/B000CRHQN0/ref=sr_1_1?ie=UTF8&qid=1375758703&sr=8-1&keywords=think+thin+bars

The Cookies and cream is also good.

Still a good option if you enjoy them. Some others that I have enjoyed are nu go slim, pure Protein and Quest.

My NUT recommends them as one of the better choices for protein bars.

I live in North Carolina and found them in the weight loss/slim fast isle at my grocery store (Ingles). I believe it was 1.25. Then had two other flavors, not sure when ones. I'm just in the midst of identifying and trying options, so I grab a few from different brands. So far, this one is the leader... I'll update if I try a different flavor or find an equally good second option.