Historical clue formulations

• Common cooking oil — 2025-03-11
• Kind of cooking oil — 2024-07-03
• Plant with oily seeds — 2022-06-03
• Cooking oil option — 2020-04-01
• ___ oil — 2017-01-08
• Olive oil alternative — 2016-10-18
• ___ oil — 2014-10-22
• Healthful cooking option — 2012-08-16
• Olive oil alternative — 2012-07-22
• Kind of oil — 2010-04-27
• Oil source — 2009-11-15
• ___ oil — 2003-09-20
• Kind of oil — 1999-01-02