We all know that there are certain foods you should stay away from when dieting. The list usually goes something like this: All of your favorites. Okay, that's a little extreme, but there are foods that don't necessarily scream weight loss that are actually not so bad for you. For example, the three P's (pizza, potatoes and pasta) are usually the first to go on our list, but according to AOL Health, keeping them in your meal rotation won't destroy your diet.

Here's why: By ordering only half the cheese on a thin-crust pizza and piling on fiber-rich greens, such as broccoli and spinach, you can create a healthy dinner that isn't kryptonite to your diet. A medium-sized potato has 161 calories and no fat. It's packed with vitamins, minerals and has a high-fiber content to keep you satiated. One cup of spaghetti has 221 calories, which really isn't so bad. Toss in your favorite steamed vegetables, and you've got a perfect, nutrient-dense meal that won't sabotage your waistline.

Are you guilty of falling for a diet fad? Check out some of these crazy diets through the decades.