Historical clue formulations

• Krispy ___ — 2024-07-14
• Krispy ___ — 2021-07-18
• Krispy ___ — 2020-06-21
• Krispy ___doughnuts — 2018-11-19
• Krispy ___ — 2015-04-02
• Sweet filling, in product names — 2014-06-18
• Doughnut ingredient, commercially — 2012-11-18
• Part of some sundae shoppe names — 2012-11-10
• Krispy ___ doughnuts — 2011-10-31
• Word after Vanilla or Chocolate, at Dunkin' Donuts — 2009-01-17
• Krispy ___ Doughnuts — 2007-09-11
• Word in several Dunkin' Donuts doughnut names — 2006-12-23
• Krispy ___ doughnuts — 2002-04-25