<<Disclaimer: Verify this information before applying it to your situation.>>

Dear Susan DeVries-
In answer to your question about garbanzo flour --
I have been using garbanzo (=chickpea) flour instead of bean flour in the
DArk Mock Rye Bread recipe in Betty Hagman's Gluten Free Gourmet cookbook.
It works very well.
Rolf Meyersohn-New York City