If you've ever bitten into a jalapeño and immediately reached for a glass of milk, you've experienced the fiery power of the Scoville scale. But when weekend trivia rolls around and asks how chilli pepper heat is actually measured, do you know the right answer?
The secret lies in a three-letter acronym: SHU.
Standing for Scoville Heat Units, the SHU is the universal metric used to quantify the spiciness of peppers and hot sauces. Named after American pharmacist Wilbur Scoville, who invented the scale back in 1912, the measurement tracks the concentration of capsaicin—the active chemical compound responsible for that unmistakable burning sensation on your tongue.
A standard sweet bell pepper, for example, registers at a perfectly mild zero SHU. Meanwhile, your average jalapeño typically hovers between 2,500 and 8,000 SHU. If you're brave enough to explore the extreme end of the spectrum, notorious heavyweights like the Carolina Reaper clock in at a blistering 1.5 million SHU or more.
So, the next time a pub quiz or trivia game tests your knowledge on culinary fire, you can confidently drop "Scoville Heat Units" as your answer and secure the win.