Ancho is the sweeter, broader dried poblano for body and raisin-like sauce depth. Pasilla is the narrower dried chilaca for darker berry, tea-like, and mildly tannic notes.
Comparison Contributor·Updated Jun 29, 2026·
Reviewed by
Karen Liu
Quick Comparison
Ancho Pepper measures 1K–2K SHU while Pasilla Pepper registers 1K–3K SHU. That makes Pasilla Pepper about 1.3x hotter by upper SHU range. Ancho Pepper is known for its sweet, raisin-like, earthy, lightly cocoa-like flavor (C. annuum), while Pasilla Pepper offers earthy and rich notes (C. annuum).
Ancho Pepper
1K–2K SHU
Medium · sweet, raisin-like, earthy, lightly cocoa-like
Pasilla Pepper
1K–3K SHU
Medium · earthy and rich
Heat difference: Pasilla Pepper is about 1.3× hotter by upper SHU range
Species: Both are C. annuum
Best for: Ancho Pepper excels in everyday cooking and salsas, Pasilla Pepper in fresh salsas and mild recipes
Pasilla Pepper is
about 1.3× hotter than Ancho Pepper.
Ancho Pepper spans 1K–2K SHU.
Pasilla Pepper spans 1K–3K SHU.
Use the ranges to decide whether the recipe needs a measured dose, a mild overlap, or a hard substitution limit.
Tools: Scoville chart and SHU calculator.
Ancho pepper is the dried form of a ripe poblano chile. It belongs to C. annuum dried chile varieties, but its kitchen identity comes from drying: the fresh pod ripens red, loses water, darkens, flattens, and turns broad and wrinkled.
UF/IFAS lists poblano at 1,000-2,000 SHU and states that ripened, dried poblanos are called ancho. That puts ancho in KTP's lower medium SHU range, although most dishes read it as mild because the chile is usually seeded, soaked, and blended into a sauce.
Pasilla Pepper
earthyrichC. annuum
Pasilla sits in the medium heat intensity range - warm enough to notice, gentle enough to let flavor lead. The heat arrives slowly, more like a lingering warmth in the back of the throat than a sharp bite.
Fresh, the pepper is called chilaca - a long, slender, dark green to near-black pod that can reach 8-10 inches. The name "pasilla" (meaning "little raisin" in Spanish) refers specifically to the dried form, which wrinkles and darkens to a deep brown-black.
Both peppers belong to C. annuum, so they share some underlying flavor chemistry. However, Ancho Pepper’s sweet, raisin-like, earthy, lightly cocoa-like notes contrast with Pasilla Pepper’s earthy and rich character.
Ancho Pepper brings sweet, raisin-like, earthy, lightly cocoa-like notes, so it fits recipes where that flavor should remain visible.
Pasilla Pepper leans earthy and rich, which can change the sauce, filling, marinade, or garnish even when the heat range looks close.
Culinary Uses for Ancho Pepper and Pasilla Pepper
Ancho Pepper
Most ancho cooking starts with a simple sequence: stem, seed, toast, soak, then blend. Toast the chile in a dry skillet only until aromatic, usually a few seconds per side.
Soak toasted pods in hot water until pliable, then blend them with fresh water, stock, tomatoes, tomatillos, garlic, onion, spices, or nuts depending on the dish. The soaking liquid can be useful, but taste it first because some batches turn bitter.
Ancho is a backbone chile for mole-style sauces, adobo, enchilada sauce, salsa roja, braised beef, beans, pozole-style broths, tamale sauces, and dry rubs. It gives dark fruit and body without pushing the dish into high heat.
Pasilla Pepper
Dried pasilla chiles need rehydration before most uses. Toast them briefly in a dry skillet - 30 seconds per side until fragrant - then soak in hot water for 15-20 minutes.
The rehydrated flesh blends into mole negro, enchilada sauce, and adobo marinades. Its earthiness pairs naturally with chocolate, cumin, and dried fruit.
For mole negro, pasilla typically combines with mulato and ancho. Each contributes differently: pasilla handles the earthy bass note, ancho the sweetness, mulato the mid-range depth.
You prefer sweet, raisin-like, earthy, lightly cocoa-like flavors
You need a C. annuum variety
Best fit
Choose Pasilla Pepper if…
You want maximum heat
You prefer earthy and rich flavors
You need a C. annuum variety
Can You Substitute One for the Other?
Start near 1:1 by amount. The heat ranges are close enough that flavor, form, and recipe role matter more than a strict Scoville conversion.
Growing Ancho Pepper vs Pasilla Pepper
Growing notes
Ancho Pepper
Growing ancho means growing poblano and drying ripe pods after harvest. The plant phase produces the pepper; the drying phase creates the ancho flavor.
Use the pepper seed-starting workflow for trays, warmth, light, hardening off, and transplant timing. University of Minnesota Extension recommends starting pepper seed about eight weeks before outdoor planting and transplanting after cold nights have passed.
Give poblano plants full sun, warm soil, steady moisture, and enough space for broad pods. Harvest green pods if you want fresh poblanos.
Growing notes
Pasilla Pepper
Pasilla plants are tall growers, often reaching 24-36 inches with good support. Start seeds indoors 8-10 weeks before last frost - the long growing season (roughly 80-85 days to maturity) means early starts matter.
Transplant after soil temperatures stabilize above 60°F. Space plants 18-24 inches apart - they branch outward as they mature, and crowding invites fungal issues on the dense foliage.
Water consistently but avoid waterlogged soil. These plants are somewhat drought-tolerant once established, but irregular watering during pod development causes blossom drop and misshapen fruit.
Where They Come From
Origin & background
Ancho Pepper
Mexico · C. annuum
Ancho belongs to Mexico's dried-chile pantry because it starts as poblano, a Mexican pepper tied closely to Puebla and central Mexican cooking. Drying ripe chiles preserved the harvest and changed the flavor into something deeper than the fresh pod.
Food & Wine's Diana Kennedy chile guide gives the clearest reader-facing naming point: the fresh poblano becomes ancho when dried. That matters because grocery labels often confuse ancho, pasilla, and poblano.
Origin & background
Pasilla Pepper
Mexico · C. annuum
Pasilla peppers trace back centuries in central and southern Mexico, particularly Oaxaca and Michoacán, where dried chiles formed the foundation of complex regional sauces. The deep-rooted Mexican pepper tradition embraced pasilla as an essential mole ingredient long before Spanish contact documented it.
One persistent naming confusion: in California and parts of the American Southwest, fresh poblano peppers are sometimes mislabeled "pasilla." In traditional Mexican usage, pasilla refers strictly to the dried chilaca.
Buying & Storage
Whether you’re shopping for Ancho Pepper or Pasilla Pepper, the same quality indicators apply. Fresh peppers should feel firm and heavy for their size, with taut, glossy skin and no soft or wet spots. Minor stem cracks known as “corking” are perfectly normal and often indicate a mature, flavorful pod.
Selection
What to look for
Firm pods with taut skin and consistent color
Should feel heavy relative to size
Minor stem cracks (“corking”) are normal
Avoid anything soft, shriveled, or with dark wet spots
Storage
How to store them
Fresh: Paper bag, crisper drawer, 1 to 2 weeks
Frozen: Wash, dry, freeze on sheet pan, 6+ months
Dried: Airtight and away from light, up to 1 year
Mistakes to avoid
Common misses
Ancho Pepper
Equating green with unripe. Different products.
Overcooking. Cell walls break down fast.
Sealed plastic storage. Causes rot. Use paper bags.
Common misses
Pasilla Pepper
Equating green with unripe. Different products.
Overcooking. Cell walls break down fast.
Sealed plastic storage. Causes rot. Use paper bags.
Final call
Ancho Pepper vs Pasilla Pepper
Ancho Pepper and Pasilla Pepper
sit in the same heat tier but serve different roles. Pasilla Pepper delivers about 1.3× more upper-range heat with its distinctive earthy and rich character.
Ancho Pepper, with its sweet, raisin-like, earthy, lightly cocoa-like profile, excels in everyday cooking.
Heat gap about 1.3× by upper rangeAncho Pepper sweet, raisin-like, earthy, lightly cocoa-likePasilla Pepper earthy and rich
Check the pod before you trust the bin sign. In many US stores, wide anchos are mislabeled as pasilla, so shape is the first audit. Ancho is broad, flat, and heart-like. Pasilla is longer, narrower, and more wrinkled.
This page is not about fresh poblano. That lane belongs to the ancho and poblano comparison. Here the buyer is choosing between two dried Mexican chiles for sauce structure.
If the pod is wide and sweet-smelling, treat it as ancho even if the label says pasilla. If it is long, dark, and raisiny with a leaner feel, treat it as pasilla. The recipe will behave better than the store sign.
Sweetness Vs Tannin
Ancho gives round sweetness and body; pasilla gives dried-fruit depth with a drier tea-like edge, so ancho softens a sauce while pasilla keeps rich sauce from tasting too sweet.
Mole Adobo And Salsa Roles
Use ancho when the chile has to carry a sauce by itself. Red enchilada sauce, tamale sauce, beans, braised beef, and chile paste benefit from its mild heat, color, and thick blended flesh.
Use pasilla when the dish already has body from nuts, seeds, bread, stock, chocolate, or beans and needs a darker counterweight. Mole negro, adobo marinades, black bean soup, and long braises can use that lean bitterness as structure.
A quick home test makes the split obvious. Toast one seeded pod of each, soak them in separate bowls, then blend each with a little salt and warm water. The ancho cup will taste fuller faster. The pasilla cup will need food around it to show its value.
That is also why they work together. Ancho fills the middle of the sauce; pasilla keeps the finish from going soft.
Swap Corrections
A 1:1 swap should be by seeded weight, not pod count. One large ancho can outweigh two narrow pasillas after stems and seeds come out.
If pasilla replaces ancho, add body before sugar. Tomato, onion, a small piece of dried fruit, or a little extra blended solids can help. If ancho replaces pasilla, reduce sweet elements and add a small bitter or acidic counterpoint only after tasting.
Buying And Storage Tells
Buy whole pods when possible because powder hides age. A good ancho should feel pliable and smell like dried fruit. A good pasilla should smell dark, raisiny, and clean, without dust or stale hay notes.
Choose ancho for a small pantry if you can only buy one. It covers more weeknight sauces because its sweetness and body are forgiving. Choose pasilla when you make mole, adobo, or darker bean dishes often enough to need that leaner edge.
Store both in airtight bags or jars away from light. If pods arrive brittle, revive only what you need in warm water; do not expect soaking to bring back lost aroma.
Fact-Checked & Expert Reviewed
Editorial Standards: Head-to-head comparisons include blind tasting when applicable. Heat levels cross-referenced with multiple sources. All substitution ratios tested side-by-side.
Review Process:
Written by
James Thompson
(Lead Comparison Reviewer)
, reviewed by
Karen Liu
(Lead Fact-Checker & Science Editor)
. Last updated June 29, 2026.
Ancho Pepper vs Pasilla Pepper FAQ
No. Ancho is dried ripe poblano. Pasilla is dried chilaca. Store labels sometimes confuse them, so use shape as the first check: ancho is wide, pasilla is long and narrow.
Yes, use a 1:1 seeded-weight swap, then reduce sweet ingredients if the sauce tastes too round. Ancho is sweeter and thicker than pasilla.
Yes, use a 1:1 seeded-weight swap and add body if needed. Tomato, onion, or a small piece of dried fruit can replace some of ancho's sweetness.
Many mole sauces use both. Ancho gives body and sweetness. Pasilla gives darker, slightly tannic depth that keeps a rich sauce from tasting flat.
