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Published 18:46 30 Jun 2016 BST
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According to the Centers for Disease Control and Prevention, 38 people were infected in 20 states with illnesses starting in December.
Going by their report, raw flour samples taken from a General Mills factory in Kansas were found to have a of E. coli that could lead to symptoms including bloody diarrhoea and abdominal cramps.
"Flour is derived from a grain that comes directly from the field and typically is not treated to kill bacteria," said Leslie Smoot, a senior adviser in the FDA's Office of Food Safety, in a statement.
The best way to avoid any potential illness? Cooking your cookie dough.
Could this be the end of licking the spoon after a big baking session? Or do the odds of 38 people getting ill in six months not phase you?
