This Georgia restaurant chain is tops with teens, new study finds

Starbucks actually topped the "restaurant" category but food sales account for only about 20 percent of sales, and "food sales as a percentage of revenue have been fairly flat," a Motley Fool writer for Business Insider noted in this article about Starbucks' growth prospects.

Also making the list: Chipotle, McDonald's, Dunkin Donuts, Olive Garden and Buffalo Wild Wings.

Piper Jaffray researchers questioned both high-income and average-income teens and equal affinity for the home of waffle fries and cows with creative spelling habits among both groups.

About the survey: "Since the project began in 2001, Piper Jaffray has surveyed more than 155,000 teens and collected nearly 40 million data points on teen spending in fashion, beauty and personal care, digital media, food, gaming and entertainment."

Credit: Jennifer Brett

Credit: Jennifer Brett