Historical clue formulations

• "Sauer" hot dog topping — 2026-04-20
• "Sauer" hot dog topping — 2020-06-15
• Wiener topper that's "sauer" — 2020-02-03
• Reuben ingredient — 2014-06-07
• "Sauer" hot dog topping — 2014-04-28
• Reuben ingredient, informally — 2014-04-25
• Sausage topper — 2012-07-01
• Dog topper — 2011-10-15
• Hot dog add-on — 2009-03-01
• Reuben ingredient — 2006-06-25
• Weiner topping — 1999-05-18