Difference between Serrano and Jalapeño peppers

JalapeñoSerrano

Jalapeño and serrano peppers are very similar looking. There are some differences regarding flavor and use, however. Jalapeño is one of the most (probably the most) popular peppers in the world. They are great for those who love a mild spicy taste. Serrano is spicier than jalapeño. This pepper has been gaining popularity especially in the United States, where people have been looking for a spicier flavor than jalapeño without being too spicy.

Comparison Board

Serrano
Jalapeño
General description Serrano is a kind of Mexican pepper. It comes from the same region as poblano peppers, Puebla, Mexico. Its name can be translated as “from the sierra – mountains”. Jalapeño is one of the most popular kinds of peppers in the U.S (and the world). They are available in most grocery shops. They are originally from Jalapa, México. Its name can be translated as “from Jalapa (Xalapa)”.
Scientific name Capsicum annuum cv ‘serrano sinahusia’ Capsicum annuum
Scoville scale Serrano is ranked as medium in the Scoville scale. It usually has between 10,000 and 23,000 Scoville heat units. Serranos can be found from mildly hot, to very hot. They are three times hotter than jalapeños. Jalapeño is also ranked as medium but there is a significant difference between this one and serrano. Jalapeños usually have between 2500 and 8000 Scoville heat units. So their spiciness is completely bearable.
Production Mexico produces as many as 180,000 tons of serrano peppers nowadays. Given that it is the most popular pepper in the world, its production is rather remarkable. Mexico produces 562,000 tons of jalapeño per year.
What do they look like? Serrano peppers are offered for sale when they turn green. They become red when ripe. Both red and green serrano peppers can be eaten. They are slightly bigger and longer than jalapeños. They are as well sold at their green phase. Jalapeños turn red when ripe. They are about 2 to 3.5 inches long. Jalapeños are usually thinner than serranos.
Taste Serrano peppers actually taste a lot like jalapeño peppers. The difference is that serranos are hotter than jalapeños, so they are a good option if you are looking for added heat. Jalapeños are ranked as mild-to-moderate in the Scoville scale. They have a nice spicy taste, which is great to combine with a lot of other ingredients and dishes.

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