Bread-Bakers v103.n016.8

Ok, now I personally do the real sourdough, but I can't get my sister 
to....she loves those Krustez sourdough mixes and I was wondering if anyone 
has a recipe to make a sourdough mix so I could give some to her as a 
gift.  (She was originally getting it at Costco, but they've stopped 
selling it).  Can anyone help me?

JJ