Historical clue formulations

• Sweet that lacks milk — 2020-01-02
• Ice cream flavor — 2019-09-04
• Candy that the lovers [circled letters] on Valentine's Day — 2019-07-17
• Ingredient in a 38-Across — 2013-06-24
• Dairy Queen treat — 2012-10-04
• Like many a 117-Across — 2011-07-03
• Milky Way, for one — 2011-02-20