To further commemorate the film, Hellmann’s teamed up with Katz’s Deli. Through Sunday, February 9, they are offering a "What She’s Having’ Sandwich" Package which includes recipes, Hellmann’s mayonnaise Katz’s turkey and their famous hand-carved pastrami with fresh rye bread. Visit katzsdelicatessen.com for more details.

The movie's memorable Katz’s Deli scene arguably features its most famous line: “I’ll have what she’s having.” In fact, Crystal and costar Meg Ryan even recreated the iconic rom-com moment for their new Hellmann’s Super Bowl ad.

When I opened my Instagram feed and saw a picture of Meg Ryan and Billy Crystal together again, my first reaction was "AH!" — especially since they're sitting on a couch, just like they do at the end of When Harry Met Sally.

Apparently Sally really likes mayonnaise. The recently teased reunion of When Harry Met Sallystars Meg Ryan and Billy Crystal is indeed a Super Bowl ad. When the pair began teasing their new project together,