updated 12/27/2012 AT 3:00 PM ET
•originally published 12/27/2012 AT 5:10 PM ET
Around noon, the couple stopped into eco-friendly restaurant Prasino.
“They were both very courteous to the staff and flirtatious with each other,” an onlooker tells PEOPLE.
At the restaurant celebrated for its farm-to-table cuisine, the former That 70s Show costars shared dishes including the short rib skillet and Florentine crepes.
– Jennifer Garcia
— People magazine (@peoplemag) August 7, 2012