If you go to Prevention and type "restaurants" in the search function, you'll get a ton of good ideas.

Like this one I just picked at random that sort of answers your question...

Enjoy Your Favorites Without Gaining a Pound!

Sure, you want to lose weight, but you'd rather not give up visits to your favorite restaurants for Italian, Mexican, and other popular cuisines. Fortunately, you don't have to! Biggest Loser trainer Bob Harper shares how.

Lots of other ideas if you search around there!

As an aside, food psychologist Brian Wansink, PhD, has a section there with a lot of good tips on preventing mindless eating - Food Think With Wansink.