Historical clue formulations

• Valuable commodity in "Dune" — 2026-03-21
• Food enlivener — 2025-10-19
• Much-sought-after commodity in "Dune" — 2025-01-03
• Zhuzh (up) — 2024-06-17
• Cinnamon or cardamom — 2024-02-27
• Critical resource harvested in "Dune" — 2023-05-10
• Mace, for one — 2021-03-14
• Paprika or pepper — 2021-01-26
• Liven (up) — 2020-03-22
• Pizazz — 2018-12-17
• Cardamom or turmeric — 2016-12-20
• Nutmeg, for one — 2016-12-19
• Jazz (up) — 2016-03-06
• Zip — 2015-12-05
• Nutmeg, e.g. — 2015-04-07
• Enliven, with “up” — 2014-03-02
• Coriander, for one — 2014-02-26
• Add zip to, with "up" — 2012-06-05
• 10-Down, e.g. — 2012-03-16
• Flavor enhancer — 2011-11-22
• With 8-Across, business of 55-Across's backers — 2009-09-23
• Jazz (up) — 2008-09-10
• Zest — 2008-08-25
• Jazz (up) — 2008-07-18
• Relish — 2007-10-19
• Cinnamon or cloves — 2007-08-13
• Variety, in life, so it's said — 2006-07-17
• Jazz (up) — 2003-08-27
• Enliven, with "up" — 2002-12-16
• It might be put on the rack — 2002-05-06
• Jazz (up) — 2002-05-03
• Enliven, with "up" — 2000-12-28
• With 69-Across, locales for this puzzle's theme — 2000-09-05
• Ginger or cinnamon — 2000-01-17
• Tang — 1998-02-28
• Enliven — 1997-06-12
• Enlivener — 1996-06-13
• Zip — 1995-11-11