After years of chasing the young and the hip, restaurants are realizing that young people aren't the ones keeping the industry afloat—their parents are. This is prompting companies to tweak everything from their sandwiches to their seats in a bid to woo baby boomers.

Pre-recession, young adults were the restaurant regulars. According to market research firm the NPD Group, adults under the age of 48 visited a restaurant, on average, 240 times in 2008.