Sweet as a nut

Could someone please settle a lively, and as yet fruitless debate as to the origin of this english phrase. which sort of nut is it a reference to, how is it sweet, and where was it first used and why.....

Many thanks, in advance....

Replies

  • Berried treasure Henry 07/23/03
  • Berried treasure Henry 07/23/03
  • Archived explanation R. Berg 07/23/03
    • Archived explanation M Phill 07/25/03