Historical clue formulations

• Italian cheese — 2026-03-16
• Ray on one's TV — 2023-07-01
• Italian-style cheese — 2023-02-26
• Parmesan alternative — 2018-03-03
• Asiago alternative — 2017-01-19
• See 10-Down — 2013-05-26
• Swiss alternative — 2012-01-28
• Parmesan alternative — 2009-05-23
• Italian cheese — 2009-04-28
• Cheese type — 2008-05-23
• Sharp cheese — 2005-06-19
• Product of ewe's milk — 2002-11-28
• Italian cheese — 2002-05-20
• Cheese made from ewe's milk — 2001-09-02
• It's made of ewe's milk — 2001-01-06
• Italian cheese — 1998-12-01
• Sharp cheese — 1998-09-03
• Cheese made of 52-Across's milk — 1997-12-21
• Cheese made from ewe's milk — 1997-08-08
• Oft-grated cheese — 1997-04-13