Historical clue formulations

• Kitchen bulb — 2020-04-12
• Food item often caramelized — 2015-12-16
• Bulb in the kitchen — 2009-08-09
• Its bulbs are milder than garlic — 2009-08-08
• Bordelaise ingredient — 2002-06-07
• Bordelaise ingredient — 2001-03-11
• Béarnaise ingredient — 1999-03-12
• Mild-flavored onion — 1998-08-23