Historical clue formulations

• Noggin — 2025-08-17
• Bit of udon or ramen — 2023-05-01
• "Gourd" — 2022-10-26
• Noggin — 2021-04-21
• S as in soup? — 2020-08-09
• Brain, slangily — 2019-12-15
• Noggin — 2019-05-05
• Casserole bit — 2018-04-30
• Think creatively — 2016-01-12
• Noggin — 2010-10-17
• Brain, slangily — 2008-05-13
• Musically improvise — 2007-10-30
• Pasta bit — 2006-10-30
• Noggin — 2006-03-29
• Noggin — 2005-08-14
• Something in the soup — 2001-03-18
• Gray matter — 2000-07-11
• Noggin — 2000-06-14
• Noggin — 1999-12-02
• Noggin — 1999-05-16
• Piece of pasta — 1996-10-28
• Improvise, in music — 1995-03-24
• Kind of soup — 1994-09-12
• Casserole tidbit — 1994-04-06