Mexican chile substitutes
The store had no guajillo. Here is what to use instead, in what ratio, and — the part most charts leave out — what you give up by swapping.
Every ratio here is a cooking ratio, not a default 1:1. Every swap says what changes, because a substitution without that sentence is just a shopping list. And the heat numbers come from the same table used everywhere else on this site, so nothing contradicts anything.
Substitutes for guajillo chile 2,500–5,000 SHU
What it is doing in the recipe: Bright red color and fruity body, almost no heat.
| Use instead | Ratio | What changes |
|---|---|---|
| Puya chile Best 5,000–8,000 SHU · Mexican grocery or online | 1:1 | Same fruity profile and same red, but two to three times the heat. This is the swap when you wanted guajillo to be spicier anyway. |
| Ancho chile 1,000–3,000 SHU · easy to find in the US | 1:1 | Sweeter, darker and meatier. The salsa turns brick red instead of bright red and loses the tea-like tartness. |
| Cascabel chile 1,500–3,000 SHU · Mexican grocery or online | 1:1 | Trades the fruit for toasted nut. Good with pork, less good where you wanted brightness. |
Do not: Do not reach for chile de arbol. It brings heat and almost no color or body, so you end up with a thin, sharp salsa instead of a round red one.
Substitutes for ancho chile 1,000–3,000 SHU
What it is doing in the recipe: Sweetness, thick pulp and dark red color. Very mild.
| Use instead | Ratio | What changes |
|---|---|---|
| Mulato chile Best 500–3,000 SHU · Mexican grocery or online | 1:1 | Its closest relative. Slightly sweeter and darker, with cocoa instead of raisin. Most people cannot tell them apart in a finished salsa. |
| Guajillo chile 2,500–5,000 SHU · easy to find in the US | 1:1 | Brighter and more acidic, less sweet and less meaty. You lose the body that makes ancho good in adobos. |
| Pasilla chile 1,000–4,000 SHU · easy to find in the US | 1:1 | Much darker, with tobacco and prune. Excellent, but it is a different salsa, not the same one. |
Substitutes for chile de arbol 15,000–30,000 SHU
What it is doing in the recipe: Clean, direct heat with a toasted edge. Little color, little body.
| Use instead | Ratio | What changes |
|---|---|---|
| Japones chile Best 15,000–30,000 SHU · Mexican grocery or online | 1:1 | Practically the same chile. Slightly thicker skin, which makes it better for long toasting. |
| Piquin chile 40,000–60,000 SHU · easy to find in the US | 1 piquin for every 2 arbol | Roughly twice the heat, with a citrusy edge instead of a toasted one. |
| Costeno chile 8,000–15,000 SHU · Mexican grocery or online | 1:1 | Slightly milder and cleaner tasting, and the salsa turns orange rather than deep red. |
Do not: Crushed red pepper flakes will give you heat and nothing else. In a salsa where arbol is the only chile, that gap is obvious.
Substitutes for pasilla chile 1,000–4,000 SHU
What it is doing in the recipe: Near-black color and the most complex flavor of the common dried chiles: raisin, cocoa, tobacco.
| Use instead | Ratio | What changes |
|---|---|---|
| Mulato chile Best 500–3,000 SHU · Mexican grocery or online | 1:1 | Keeps the dark color and the sweetness, leans cocoa rather than tobacco. The closest thing available. |
| Ancho chile 1,000–3,000 SHU · easy to find in the US | 1:1 | Sweeter and less complex, and the salsa comes out red-brown instead of near black. |
| Morita chile 5,000–10,000 SHU · easy to find in the US | 3 morita for every 4 pasilla | Brings smoke where pasilla brought raisin. Different, and it works if smoke suits the dish. |
Do not: In some US stores a fresh poblano is labeled "pasilla". It is not: the dried poblano is the ancho. Check that you are buying something long, thin and nearly black.
Substitutes for morita chile 5,000–10,000 SHU
What it is doing in the recipe: Sweet wood smoke with fruit behind it. Medium heat.
| Use instead | Ratio | What changes |
|---|---|---|
| Chipotle meco Best 5,000–10,000 SHU · easy to find in the US | 1 meco for every 2 morita | The same chile smoked much longer. Far more aggressive, closer to ash than to fruit, so use half. |
| Chipotle in adobo 3,000–10,000 SHU · easy to find in the US | 3 canned chipotles for every 10 morita | Brings the vinegar and sugar of its adobo along with the chile. If you use it, drop any vinegar and sugar the recipe calls for. |
Do not: Liquid smoke is not a substitute. Morita smoke is layered and slightly sweet; liquid smoke is one flat note that sits on top of the salsa.
Substitutes for chipotle meco 5,000–10,000 SHU
What it is doing in the recipe: Heavy, almost ashy smoke. The most intense of the smoked chiles.
| Use instead | Ratio | What changes |
|---|---|---|
| Morita chile Best 5,000–10,000 SHU · easy to find in the US | 2 morita for every 1 meco | Gentler and fruitier smoke, so you need double. Better for table salsas, less able to stand up to grilled meat. |
| Chipotle in adobo 3,000–10,000 SHU · easy to find in the US | 2 canned chipotles for every 1 meco | Adds the adobo. Convenient, sweeter and more acidic than the dried chile. |
Substitutes for serrano pepper 10,000–25,000 SHU
What it is doing in the recipe: Clean fresh heat with almost no flesh, so it does not change the body of a salsa.
| Use instead | Ratio | What changes |
|---|---|---|
| Jalapeno Best 2,500–8,000 SHU · easy to find in the US | 2 jalapenos for every 1 serrano | Milder and much meatier, so the salsa comes out thicker and more vegetal. The most available swap in the US by far. |
| Chile de arbol 15,000–30,000 SHU · easy to find in the US | 2 dried arbol for every 1 serrano | Turns a fresh, grassy heat into a toasted one. Fine in cooked salsas, wrong in a raw one. |
| Manzano pepper 12,000–30,000 SHU · Mexican grocery or online | 1:1 | Similar heat with a fruity, almost apple-like flavor and much thicker flesh. |
Substitutes for jalapeno 2,500–8,000 SHU
What it is doing in the recipe: Thick flesh and moderate heat. The chile you pickle or stuff.
| Use instead | Ratio | What changes |
|---|---|---|
| Serrano pepper Best 10,000–25,000 SHU · easy to find in the US | 2 serranos for every 3 jalapenos | Hotter and much thinner, so you lose the flesh that makes jalapeno good in escabeche. |
| Guero chile 1,000–8,000 SHU · easy to find in the US | 1:1 | Similar body, a little sweeter, and the salsa turns yellow instead of green. |
Substitutes for habanero 100,000–350,000 SHU
What it is doing in the recipe: Extreme heat plus a floral, tropical aroma no other Mexican chile has.
| Use instead | Ratio | What changes |
|---|---|---|
| Manzano pepper Best 12,000–30,000 SHU · Mexican grocery or online | 3 manzano for every 1 habanero | Keeps the fruity direction at a fraction of the heat. The best swap when you want the aroma without the damage. |
| Piquin chile 40,000–60,000 SHU · easy to find in the US | 4 piquin for every 1 habanero | Comparable ferocity, but sharp and citrusy rather than floral. In a mango salsa the difference is obvious. |
Do not: If the recipe uses habanero for its aroma — xnipec, a mango salsa — there is no real substitute. Make a different salsa rather than fake this one.
Substitutes for cascabel chile 1,500–3,000 SHU
What it is doing in the recipe: Toasted nut and earth, with a caramel-brown color. Low heat.
| Use instead | Ratio | What changes |
|---|---|---|
| Guajillo chile Best 2,500–5,000 SHU · easy to find in the US | 1:1 | More fruity and less nutty, and a brighter red. The practical swap, since guajillo is everywhere. |
| Catarina chile 3,000–6,000 SHU · Mexican grocery or online | 1:1 | Its close cousin: same nutty base, thinner skin, slightly more heat. |
| Ancho chile 1,000–3,000 SHU · easy to find in the US | 1:1 | Sweeter and thicker. Gives you the body but not the toasted note. |
Substitutes for poblano pepper 1,000–2,000 SHU
What it is doing in the recipe: A large, mild chile you roast, peel and cut into strips.
| Use instead | Ratio | What changes |
|---|---|---|
| Chilaca pepper Best 1,000–2,500 SHU · Mexican grocery or online | 5 chilacas for every 3 poblanos | Longer and thinner with a bit more heat and more character. Same roasting and peeling. |
| Guero chile 1,000–8,000 SHU · easy to find in the US | 2 gueros for every 1 poblano | Smaller and hotter. You get flesh, not the mellow vegetal flavor. |
Do not: A green bell pepper looks right and tastes wrong: it has none of the poblano’s depth and turns the dish sweet.
The rule behind all of this
Before you pick a substitute, work out what the chile was doing in the recipe. Mexican salsas are usually built from two kinds of chile: one that brings color and body and barely any heat — guajillo, ancho, cascabel, pasilla — and one that brings the heat and almost nothing else, like chile de arbol or piquin.
Substitute within the same job and the salsa survives. Swap across jobs and it does not: replacing guajillo with chile de arbol gives you a thin, sharp liquid instead of a round red salsa, no matter how much of it you use.
When there is no substitute
Three cases where the honest answer is to cook something else. Habanero when it is there for its floral aroma, as in xnipec or a mango salsa. Pasilla de Oaxaca, which is smoked and is not the same chile as regular pasilla despite the name. And chicatana ants, which are foraged two nights a year.
Faking those does not produce a close approximation, it produces a different dish with the wrong name on it.
A note on the numbers you will see elsewhere
If you compare this chart with others you will find contradictions — pages claiming mulato is hotter than guajillo, or putting ancho at 1,000–1,500 SHU. Mulato is one of the mildest chiles in the Mexican pantry, milder than ancho, and ancho runs to about 3,000.
Chiles genuinely vary between harvests, sometimes by a factor of two, so treat any range as a guide. But a range that contradicts the chile’s own reputation is a good reason to check another source.