The hot sauce is relatively mild, sitting at 450 on the Scoville scale. Though it long had its fans, the popularity of Frank's surged in the 1960s after being featured in the original Buffalo wing ...
That makes it the spiciest of all the brand's hot sauces. When using a more universal scale that measures heat — the Scoville scale — this translates to 23,000 to 33,000 Scoville Heat Units ...