Historical clue formulations

• Container at a bakery — 2021-01-06
• Baking container for a cobbler — 2017-12-26
• It can be found beneath the lower crust — 2013-09-28
• It might have a crust — 2012-03-17
• Oven container — 2004-06-11
• Frisbee's inspiration, supposedly — 2002-07-29