The difference wasn’t subtle, and they cooked differently after the switch, too. Plenty of folks had the experience of noticing that they’d had a run of bad bat

The difference wasn’t subtle, and they cooked differently after the switch, too. Plenty of folks had the experience of noticing that they’d had a run of bad batches of fries before finding out the recipe had change (so now all batches were bad) and effectively did do a blind taste test.