Historical clue formulations

• Baker's unit — 2018-09-08
• Tray of brownies, e.g. — 2017-02-26
• Cookie baker's yield — 2012-12-05
• Cookie trayful — 2012-09-03
• Baker's dozen, say — 2009-06-13
• Bake sale display — 2009-02-26
• Sheetful of cookies — 2009-01-20
• Trayful of cookies, e.g. — 2008-12-01
• Sheet of cookies — 2008-09-10
• Trayful of cookies — 2008-04-24
• Baker's unit — 2004-09-19
• Sheetful of cookies — 2002-05-20
• Baker's dozen? — 2000-01-11