04/20/2012 at 06:00 AM EDT
Don Draper may enjoy a three-martini lunch, but Mad Men
star Jon Hamm
opted for a more low-key meal when he headed out solo on New York's Upper West Side.
Going incognito in a baseball cap and black sunglasses, the Mad Men
star popped into Lansky's Jewish Deli, where he ordered a big bowl of matzo ball soup.
"He was quiet throughout his meal, but was very polite," an onlooker tells PEOPLE, adding that Hamm read the newspaper while dining. "He walked into Lansky's and knew exactly where he wanted to sit and what he wanted to eat." – Lesley Messer