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Domino's: B
The Bad News Pies on Domino's menu are the same as those at any other pizza purveyor: oversize crusts, fatty meats, and greasy shag carpets of cheese. But Domino's Crunchy Thin Crust cheese pizza is one of the lowest-calorie pies in America, which makes a sound foundation for a decent dinner. Just avoid the bread sticks and Domino's appalling line of pasta bread bowls and oven baked sandwiches.
SURVIVAL STRATEGY
Domino's thin crust has fewer calories than any other pizza chain's. Show your appreciation by making it your go-to order. Want toppings? Stick to ham and pineapple or pure veggies.
Best: Thin Crust Pizza with ham and pineapple (2 slices, medium pizza)
Worst: Chicken Bacon Ranch Oven Baked Sandwich

Five Guys: C
Without much more than burgers, hot dogs, and French fries on the menu, it's difficult to find anything nutritionally redeeming about Five Guys. The only option geared toward the health-conscious is the Veggie Sandwich, which also happens to be the only item on the menu to carry a load of trans fat. The burgers range from 480 to 920 calories, so how you order can make a big difference to your waistline.
SURVIVAL STRATEGY
The regular hamburger is actually a double, so order a Little Hamburger and load up on the vegetation. And if you must indulge somewhere, don't do it with the fries - the difference between a large and a small is 1,150 calories.
Best: Little Hamburger
Worst: Bacon Cheeseburger

Jimmy John's: C
Jimmy adheres to the bigger-i-better syndrome that pollutes countless sub shops the country over. Two slices of 7-Grain Wheat Bread run an unthinkable 390 calories, making healthy sandwich construction impossible. Good thing Jimmy John's preps the food in front of you; that way, you can play foreman while the sub crew constructs your perfect low-cal sandwich.
SURVIVAL STRATEGY
Start with the sub-size French bread, which has 140 fewer calories than its wheat cousin. Then build a sub from a single lean meat - ham, turkey, or roast beef - being sure to replace mayo with Dijon or avocado spread. And stay away from the Italian cold cuts!
Best: Totally Tuna Unwich (lettuce wrap)
Worst: The J.J. Gargantuan

McDonald's: B plus
The world-famous burger baron has come a long way since the days of Fast Food Nation - at least nutritionally speaking. The trans fat is mostly gone, the calorie bombs reduced, and there are more healthy options such as salads and yogurt parfaits. But don't cut loose just yet. Too many of the breakfast and lunch items still top the 500-calorie mark, and the dessert menu is a total mess.
SURVIVAL STRATEGY
The Egg McMuffin remains one of the best ways to start your day in the fast-food world. As for the later hours, you can splurge on a Big Mac or a Quarter Pounder, but only if you skip the fries and soda, which add an average of 590 calories onto any meal.
Best: Egg McMuffin
Worst: Deluxe Breakfast with Large Biscuit, Syrup, and Margarine