Graeterâs bonus ice cream flavor is twist on signature one Starting Monday, Graeterâs Ice Cream is selling its first bonus flavor of the upcoming summer season. Black Raspberry Cookies & Cream is a fun and delicious twist on their signature Black Raspberry Chocolate Chip ice cream. (Source: Graeter's) By FOX19 Digital Staff | May 10, 2021 at 3:44 AM EDT - Updated May 10 at 3:44 AM CINCINNATI (FOX19) - Starting Monday, Graeterâs Ice Cream is selling its first bonus flavor of the upcoming summer season. Black Raspberry Cookies & Cream is a fun and delicious twist on their signature Black Raspberry Chocolate Chip ice cream.