There are many kinds of hot peppers, each with a different flavor and heat level (heat is measured using the Scoville scale). Jalapeños, cubanelles, green chiles, and poblanos tend to be milder.

The chart used to determine the pepper's heat, named the Scoville Scale after its creator, American pharmacist Wilbur Scoville, assigns measurable units of spiciness to various foods. For example ...

The scale measures the mildest -- bell peppers -- with zero Scoville rating, progressing all the way to the hottest-of-hot ...