There are more than 100 food and beverage outlets at Hartsfield-Jackson International Airport -- including sit-down restaurants, food courts, fast food and local eateries.

Yet when you're getting ready to catch a flight, it can still be difficult to find something you want to eat.

Airport concessions contracting is big business, bringing in more than $345 million in revenue a year at Hartsfield-Jackson and sparking heated contests for restaurant spots.

That's because there are tens of thousands of hungry passengers passing through every day.

Some travelers are looking for a grab-and-go item that’s familiar and dependable. Others like to arrive early at the airport to dine, or want to try something new.

Here are some of the options you'll find at the world's busiest airport, including some upscale options as well as fast food favorites. Click on the image to learn which concourse you'll find it on.

And tell us in the comments what you usually seek out at Hartsfield-Jackson -- or if you avoid eating at the airport altogether.