Pepper School

If you've ever eaten an exceptional Peruvian ceviche and been struck by a flavor that is simultaneously floral, fiery, and unmistakably lime-bright — you were tasting ají limo at work. This small, brilliantly colored pepper is one of Peru's most...

That bright green sauce at every Peruvian restaurant is called ají verde — made with ají limo pepper, cilantro, garlic, and lime. Here's what's in it, why it's so good, and how to get it at home.