Comparing serrano and poblano peppers includes several differences from color to application in meals. That said, there are a few similarities between them. But what is hotter, sweeter and more valuable in terms of use in dishes? let’s find out
This article examines the debate between Serrano and Poblano peppers to find out what they do and don’t have in common. This will ultimately help you decide where and when to use them, so make sure you read to the end.
What are serrano peppers?
Serrano peppers are native to the highlands of Puebla and Hidalgo, Mexico, where several chili peppers are grown. Their flavor is fresh and spicy, and they pack a powerful punch compared to jalapeno peppers. Serrano peppers are popular in traditional salsa dishes and are often eaten raw.

These peppers are green when immature but take on different hues as they mature. But you can find them red, brown, orange or yellow depending on when they are harvested. Small in size, with a bit of punch, the Serrano pepper is a common ingredient in Mexican cuisine.
The green version of this pepper is the most popular commercially. And these peppers are available fresh, canned or dried.
What are poblano peppers?
On the milder end of the Scoville hotness scale, poblano peppers are a staple in Mexican and Southwestern cuisine. They are most famously used in the traditional dish Chili Relleno. This dish consists of a roasted poblano pepper stuffed with cheese and deep fried.
The poblano pepper gets its name from the Mexican state of Puebla, where it is said to have originated. It is large and has dark green skin that is thicker at the base before narrowing to a point. And it delivers a mild level of heat that scores only between 1,000 and 1,500 Scoville heat units.
They are also occasionally dried and smoked. Dried poblano peppers are known as ancho chilies. Roasted poblano peppers are delicious and are usually stuffed before roasting.

Serrano vs Poblano: What’s the Difference?
So what makes these chili peppers different? Here’s a list of their differences in terms of several important characteristics:
size
One of the most noticeable differences between serrano and poblano peppers is their size. Serrano peppers average in size, about 1.5 to 2.5 inches long and ½ inch wide. On the other hand, poblano peppers can be up to 5 inches long and 2 inches wide.
heat
The Serrano pepper is considerably hotter than the Poblano pepper, averaging between 10,000 and 23,000 Scoville heat units. In contrast, the poblano pepper of the same magnitude only measures in the 1,000 to 2,500 SHU range.
Taste
Serrano peppers have an earthy, grassy flavor similar to jalapenos, but they’re much hotter. However, poblano peppers are often compared to green peppers, which have similar earthy notes but a slightly sweet flavor.
Used
Serrano peppers can be eaten raw and cooked. However, they are most commonly used to make salsa, relish, or sauce.

On the other hand, due to their tough skin, poblano peppers are usually cooked before consumption. Frying and stuffing are two of the most common uses for poblano peppers. However, they also work beautifully in any dish that calls for chili peppers.
Conclusion
The ingredients of these peppers mentioned in this post are remarkable. You can turn your ordinary meal into a delicious treat when you understand their differences. With this Serrano vs Poblano comparison, you should be able to use them correctly.