The latest in food news, ideas and philosophy, just in time for your lunch break.

* The hidden details of McDonald’s Happy Meal change. (Small Bites)

* A waffle restaurant that proudly refuses to serve butter or syrup. (TBD)

* New York chef Marcus Samuelsson will roll through Washington for a national charity food truck tour. (WCP)

* Beyonce may release a cookbook. Add her culinary efforts to those by Paltrow, Giudice, Silverstone, Longoria, Angelou, Foreman, LaBelle, Coolio, blah, blah, blah. (NY Mag)

* Zagat: Zaytinya, 2 Amys, Central, Citronelle and Inn at Little Washington are the most popular D.C.-area restaurants. (WCP)

* Myth Buster: Should you hull strawberries before washing them? (America’s Test Kitchen)

* Calorie information at fast-food restaurants does influence customer decisions. (Science Daily)

* Conveyor belt sushi comes to New York City. (Trevor Corson)

* Is Obama serious about fixing a broken food system? (The Atlantic)