Historical clue formulations

• Lunchbox staples, for short — 2026-04-04
• Classic lunchbox sandwiches, for short — 2024-05-27
• Gooey sandwiches, informally — 2024-03-06
• Some lunchbox sammies — 2024-02-28
• Common lunchbox sandwiches, informally — 2022-12-13
• Sandwiches that may use Skippy and Smuckers, informally — 2021-05-31
• Many tykes' lunches — 2013-03-09
• Common lunchbox sandwiches, informally — 2011-04-25