Nia Vardalos and Paramount are teaming on “Leftovers” with Vardalos set to write and produce the ensemble laffer.Mike Karz and Josie Rosen are producing with Vardalos. Logline for “Leftovers” is under wraps other than its description as an “anti-romantic comedy.” Vardalos is also expected to star in the project. Vardalos was in the Focus comedy “For a Good Time Call.” HarperCollins will publish her non-fiction book on adoption, “Instant Mom,” next year. Vardalos co-wrote Universal’s “Larry Crowne” with Tom Hanks. She also wrote and starred in indie hit “My Big Fat Greek Wedding,” which Hanks produced. Karz produced ensemble romantic comedies “New Year’s Eve” and “Valentine’s Day,” both solid performers for New Line. Karz and Bill Bindley annnounced in August that their film production and financing banner Gulfstream Pictures had signed an exclusive first-look deal with Warner Bros. to co-finance films. Vardalos is repped by Paradigm, Untitled and attorney Jon Moonves.