The time will probably come when you are forced to choose between eating a fast food meal or skipping the meal altogether. The Zone Diet forbids going more than five hours without eating, so fast food is the better choice.
Breakfast sandwiches, such as a sausage, egg and cheese croissant, are acceptable if you remove the top half of the muffin or croissant and eat it as an open-faced sandwich. Breakfast burritos with eggs and cheese are also fine to eat.
Order roast beef or grilled chicken sandwiches instead of hamburgers, discarding the top half of the bun. There are some exceptions, such as Wendy's Junior Cheeseburger with no bun and no additional carbohydrates. Fried fish sandwiches are generally not recommended, but the Ultimate Fish Sandwich at Long John Silver's is an exception. Order all sandwiches on whole wheat buns, flatbread or pita, if available.
Most salads are acceptable as long as low-fat dressing is an option. Chili, chicken tacos, chicken or turkey wraps or subs are allowable as well. When ordering a sub, eat only half of the bread. A large slice of thin-crust pizza or medium slice of thick-crust pizza is fine to eat, and can be topped with chicken, ham or vegetables. At fast food fish restaurants, an order of baked cod with a hush puppy or 10 pieces of battered shrimp with no sides are fine for a meal.
Things to avoid at fast food restaurants are mayonnaise, regular salad dressing (low-fat dressing is fine), soda and French fries. If you intend to order a dessert, cut out all carbohydrates with the meal to accommodate it.