The serrano pepper is a hot chili pepper from the mountainous regions of Mexico, known for its bright, clean heat and grassy flavor. It is significantly hotter than a jalapeño and is a staple in Mexican cuisine, especially for salsas and sauces.
Key characteristics
Heat level: Serranos register between 10,000 and 25,000 Scoville Heat Units (SHU), making them two to ten times hotter than jalapeños. The heat builds quickly but fades faster than in peppers like habaneros.
Appearance: These are small, slender, and cylindrical peppers, typically 1 to 4 inches long. While most commonly sold while still green, they can mature to a variety of colors, including red, orange, yellow, and brown.
Flavor profile: Serranos have a bright, crisp, and fresh flavor with a more intense bite than a jalapeño. When roasted, they develop a sweeter, slightly smoky depth.
Texture: They have a thinner wall than a jalapeño, which makes them less suitable for stuffing but ideal for applications where they are chopped or blended.