Historical clue formulations

• Muffin makeup, maybe — 2022-11-27
• High-fiber cereal — 2013-01-27
• Base for some muffins — 2012-08-01
• Healthful cereal grain — 2006-01-16
• Muffin ingredient — 1996-12-02
• Popular breakfast food — 1996-11-15
• Healthful cereal choice — 1993-12-25