Mix butter, sugar, molasses, until creamy. Add flour mixture, then bran; mix well.
Shape into a roll, wrap, chill overnight.
To bake: Slice dough 1/8 inch thick; place on un-greased cookie sheet. Bake in 375 degree F. oven 10 minutes.
Yields 5 dozen.
Notes
Reprinted with permission from ABC of Cookies, published in 1961 by Peter Pauper Press, Inc., White Plains, New York. www.peterpauper.com. Available as a Kindle edition.