What is "warden pie"

Warden \Ward"en\, n. [OE. wardein, OF. wardein, gardein, gardain, F. gardien. See Guardian, and Ward guard.]

1. A keeper; a guardian; a watchman.

   He called to the warden on the . . . battlements.
   --Sir. W. Scott.

2. An officer who keeps or guards; a keeper; as, the warden of a prison.

3. A head official; as, the warden of a college; specifically (Eccl.), a churchwarden.

4. [Properly, a keeping pear.] A large, hard pear, chiefly used for baking and roasting. [Obs.]

   I would have had him roasted like a warden.
   --Beau. & Fl.

   Warden pie, a pie made of warden pears. [Obs.]
   --Shak.