You will come to know that food in US is more then hamburgers, pizza and fast food.
As the centre of various cultures, the US has also is the mixing pot for various cuisines.

American Hamburger

Fast Food is popular in US with its vast variety of availability.
You will find here various types of fast food restaurants having delicacies like American style hamburgers, hot dogs and fried chicken to Italian pizza, Mexican tacos, Greek Gyros and Chinese egg rolls along with the promptcharters.com

It will also interest you to know that American cooking (US cooking) is a faithful model of the traditional dishes long popular in the USA which were introduced by the early European immigrants later being modified to take advantage of the locally available ingredients and to make it locally appealing as well.

Regional Cooking, as such, will differ from state to state and it is dependent on several elements like local ingredients, culture, etc.

You will find the Cajun cooking having the influence of the New Orleans area- the spicy mixture of Spanish, French and African styles. It is also famous for the use of fresh fruits and vegetables for that matter.

Roast Turkey

Ethnic Foods of all varieites are in commonplace in US like the fast food pizza to gourmet Italian regional cuisine. The same is true of Chinese cuisine.
Mexican restaurants are extremely popular in the southwestern and western states.
In US, there are numerous restaurants serving Eastern European, Greek, Middle Eastern, Indian, African, South American, Caribbean and numerous other cultural foods as well.

www.usatourist.com/english/traveltips/dining/dining–tips-main.html