The healthiest pizza you can order at the chains

One common misconception about pizza is that it is unhealthy. When topped with the right ingredients, pizza can actuallyhelp you get your recommended daily amount of at least three food groups: grains, dairy and vegetables. The key to eating healthy pizza is knowing what to order.

Writing for Yahoo.com,Toby Amidor, MS, RD, CDN, a registered dietitian and consultant who specializes in food safety and culinary nutrition, takes a close look at the three top pizza chains. If you're dining at Papa John's, Domino's or Pizza Hut, Amidorsuggests theseselections will keep you from straying from your diet or healthy lifestyle. Keep in mind that independent pizzerias are traditionally able to offer specialty pies that meet your need for healthy options as well.

Read more to learn what to and what not to order.