A medium-hot green chilli, thick-walled and juicy, typically 2,500 to 8,000 Scoville units. Most of the heat sits in the pale pith, not the seeds.
What it does in a recipe: A source of moderate, bright heat plus a fresh green vegetal flavour and a little crunch. Pick the swap that covers that job — the ratios below are written so you can act on them without doing any arithmetic.
Also called: Jalapeno pepper
4substitutes
2close matches
Producecategory
Quick answer
Serrano pepper
1 medium jalapeño (about 2 tbsp minced) = 1 small serrano, minced, about 1 tbsp
All substitutes, best first
4 ways to replace jalapeño
Serrano pepper
Closest match
1 medium jalapeño (about 2 tbsp minced) = 1 small serrano, minced, about 1 tbsp
Serranos are the same kind of fresh green heat at roughly twice the strength, so you use about half as much by volume.
MethodTaste a sliver first. Heat within a single variety swings widely depending on how the plant was grown.
Trade-offSlightly sharper and less sweet, and thinner-walled, so you lose a little of the fleshy bite.
Raw / no-cookCookingSaucesVeganVegetarianGluten-freeDairy-freeEgg-freeNut-freeSoy-freeAlcohol-free
Fresno chilli
Closest match
1 medium jalapeño (about 2 tbsp minced) = 1 medium Fresno chilli, minced, about 2 tbsp
A near-identical shape and heat level, ripened red, which makes it the closest one-for-one exchange available.
Trade-offSweeter and fruitier from the extra ripening, and it turns a green salsa red.
Raw / no-cookCookingSaucesVeganVegetarianGluten-freeDairy-freeEgg-freeNut-freeSoy-freeAlcohol-free
Cayenne pepper plus green bell pepper
In a pinch
1 medium jalapeño (about 2 tbsp minced) = 1/4 tsp cayenne + 2 tbsp diced green bell pepper
The cayenne supplies the heat and the bell pepper rebuilds the fresh green flavour and the bulk that ground chilli cannot give you.
MethodAdd the cayenne early so it disperses evenly, and taste before adding more — dried chilli heat builds as it sits.
Trade-offThe heat is flatter and more even across the dish, without the sudden bright bursts you get from pieces of fresh chilli.
Cooking around an allergy? Diet tags here describe the ingredient itself, not any particular brand. Processed products change formulation without notice and shared production lines are common, so read the label on everything you use. A severe allergy is a medical matter — confirm with the manufacturer or your clinician rather than relying on a substitution chart.