Historical clue formulations

• Sole (UT) — 2022-10-13
• Cheesesteak topper — 2022-06-24
• Cheese in an Italian sub — 2021-02-10
• In favor of the first book?: Abbr. — 2011-07-21
• Smoked Italian cheese — 1999-03-09
• Cheese at an Italian restaurant — 1994-04-19