how long can you leave potato salad out
Here are the USDA guidelines: To prepare, once potatoes are cooked and mixture has mayonnaise added then âcool to 70Âº F in 2 hrs or less and then to 41Â°F in 4 hrs or less.â Note, the USDA recommends that âif the potato salad was held in excess of 41Â°F for over two hours, then discard.â.