With the weekend upon us it might seem like a lovely time to make yourself a tasty treat. If you've got a box of brownie mix in your pantry -- and you happen to live in Alabama, Iowa, Ohio, Missouri, Kansas, Nebraska, Minnesota, New York, or South Carolina -- you might want to think again.The FDA just posted a new product recall bulletin for cookie and brownie mixes sold in those states, and the risks of accidentally consuming the tainted product could be high. The flour used in the various mixes may be contaminated with E. Coli.According to the recall notice, the flour used in mixes carrying the brand names Brand Castle, Sister's Gourmet, and In The Mix comes from supplier ADM Million Co., and that's where the trouble originated.> The product is being recalled because an ingredient supplier, ADM Milling Co., has issued a recall for the flour used in these products due to E. coli contamination found in a single lot code of H&R Flour at their Buffalo production plant....