Guide to Dried Chiles: Types, Heat Levels, and US Substitutes

The Complete US Guide to Dried Mexican Chiles

Dried chiles are the soul of Mexican cooking. They provide not just heat but complex, layered flavors - smoky, fruity, earthy, sweet, and bitter notes that transform simple dishes into something extraordinary. Understanding dried chiles is the single most important step you can take to improve your Mexican cooking in the US. This guide covers every major variety, their heat levels, flavor profiles, where to buy them in the US, and what to use when you can't find the one you need.

Understanding the Scoville Scale

The Scoville Heat Unit (SHU) scale measures chile heat. For reference, a standard bell pepper is 0 SHU, Tabasco sauce is around 2,500-5,000 SHU, and a Scotch bonnet (easily found in US grocery stores) is 100,000-350,000 SHU. Most dried Mexican chiles used in everyday cooking fall in the mild to moderate range of 1,000-30,000 SHU - far less frightening than many people expect. The flavor, not the heat, is the point.

Essential Dried Chiles for US Cooks

Ancho Chile (1,000-2,000 SHU) - Mild

The ancho is a dried poblano pepper and is the most commonly used dried chile in Mexican cooking. It has a sweet, fruity flavor with notes of raisins, prunes, and a hint of chocolate. Anchos are the backbone of mole poblano, enchilada sauce, and countless other dishes. They're large, dark reddish-brown, and wrinkled, with a wide flat shape. In the US, anchos are available from Cool Chile Co (£4-5 per 50g), MexGrocer, Amazon US, and Sous Chef. They're an excellent first dried chile to experiment with because their flavor is deep and complex but their heat is very gentle.

Guajillo Chile (2,500-5,000 SHU) - Mild to Medium

The guajillo is the second most popular dried chile in Mexico. It's long, smooth-skinned, and deep burgundy-red. The flavor is tangy and slightly sweet with berry and tea-like notes. Guajillos are the go-to chile for red enchilada sauce, birria, and many everyday salsas. Combined with ancho, it creates the classic flavor profile of Mexican red sauces. Available from the same US online specialists as anchos, typically at similar prices. If you buy just two dried chiles, make them ancho and guajillo.

Chipotle Chile (5,000-10,000 SHU) - Medium

Chipotles are smoke-dried jalapeño peppers, and they're probably the most well-known Mexican chile in the US. The smoky, rich flavor is deeply addictive and works brilliantly in marinades, salsas, soups, and even chocolate desserts. In the US, chipotles are the easiest dried Mexican chile to find. Whole dried chipotles are available from specialist shops, but chipotle paste (Gran Luchito brand) is stocked in Walmart, Kroger and H-E-B, and most other supermarkets for around £2.50. Chipotles in adobo sauce (canned) are available from MexGrocer and Amazon US and are incredibly versatile.

Pasilla Chile (1,000-2,500 SHU) - Mild

The pasilla (also called chile negro) is long, thin, and very dark - almost black. Its flavor is complex: earthy, herby, with cocoa and berry notes. It's a key ingredient in mole negro and is often used alongside ancho and guajillo in the famous "holy trinity" of Mexican dried chiles. Finding pasilla in the US requires specialist shops - Cool Chile Co, MexGrocer, or Sous Chef are your best options at around £4-5 per packet.

Chile de Árbol (15,000-30,000 SHU) - Hot

These are small, thin, bright red chiles with a sharp, clean heat and slightly nutty flavor. They're used in table salsas, chile oil, and as a garnish. Chile de árbol is the Mexican equivalent of reaching for chili flakes - it adds straightforward heat without too much flavor complication. Available from specialist US shops. In a pinch, dried bird's eye chiles from Asian grocery shops make a reasonable substitute.

Habanero (100,000-350,000 SHU) - Very Hot

Dried habaneros bring intense, fruity heat to Yucatecan dishes. Fresh habaneros are actually quite easy to find in US grocery stores - Walmart, Kroger and H-E-B all stock Scotch bonnets, which are closely related and make an excellent substitute. For dried habanero, check specialist shops or simply dry your own fresh ones in a low oven (80°C for 6-8 hours).

Cascabel (1,500-2,500 SHU) - Mild

Round, dark brown, and named for the rattling sound their seeds make (cascabel means "rattle bell"), these chiles have a nutty, slightly smoky flavor. They're lovely in salsas and stews. Harder to find in the US but available from Cool Chile Co and MexGrocer.

Morita (5,000-10,000 SHU) - Medium

A smaller, darker chipotle variant that's smoked for less time, giving it a fruitier, less intensely smoky flavor. Used interchangeably with regular chipotles in many recipes. Available from specialist US shops.

How to Prepare Dried Chiles

Toasting

Heat a dry skillet or comal over medium heat. Press the chiles flat with a spatula for about 15-30 seconds per side until they become fragrant and slightly change color. Be careful not to burn them - burnt chiles taste bitter and acrid. Open a window, as the fumes can make you cough.

Rehydrating

After toasting, remove the stems and seeds (for milder flavor) and place the chiles in a bowl. Pour over just-boiled water and leave to soak for 20-30 minutes until soft and pliable. The soaking liquid (just a small amount) can be added to your sauce for extra flavor, but don't use too much as it can be bitter.

Blending

Transfer the rehydrated chiles to a blender with a splash of the soaking liquid, garlic, and any other sauce ingredients. Blend until very smooth. For the silkiest sauces, push the blended mixture through a fine sieve to remove any remaining skin fragments.

US Substitution Guide

When you can't find the chile you need, here are reliable US-available substitutes:

• Ancho: Use 1 tablespoon sweet smoked paprika plus a pinch of cocoa powder per chile
• Guajillo: Use New Mexico chili powder, or 1 tablespoon sweet paprika plus a pinch of cayenne
• Chipotle: Chipotle paste from Walmart/Kroger, or smoked paprika plus a dash of Tabasco
• Pasilla: Ancho plus a pinch of cocoa - not perfect but workable
• Chile de árbol: Dried bird's eye chiles from Asian shops, or crushed red pepper flakes
• Habanero: Scotch bonnet (virtually identical heat and similar fruity flavor)

Where to Buy Dried Chiles in the US

Your best options for a wide range of authentic dried Mexican chiles in the US:

• Cool Chile Co (coolchile.co.uk) - the original US specialist, excellent quality
• MexGrocer (mexgrocer.co.uk) - wide range, competitive prices, fast delivery
• Sous Chef (souschef.co.uk) - premium quality, well-curated selection
• Amazon US - increasingly good selection, Prime delivery available
• Instacart - stocks some dried chiles and chipotle products

Dried chiles keep for up to a year in a cool, dark cupboard in an airtight container. Stock up when you find good sources and you'll always have them to hand. For more on using these chiles in actual dishes, explore our recipe collection where many dishes include specific chile recommendations and preparation tips.

Building a Dried Chile Collection

For US cooks just starting their Mexican cooking journey, we recommend building your dried chile collection gradually. Start with three essentials: ancho (for moles and enchilada sauce), chipotle (for smoky flavor in almost anything), and chile de árbol (for adding heat). These three cover approximately 80% of Mexican recipes. Once comfortable with those, add guajillo (for red salsas and birria) and pasilla (for mole negro and complex sauces). Finally, for the adventurous cook, explore cascabel, morita, and habanero for regional specialities. Store all dried chiles in airtight containers or resealable bags in a cool, dark cupboard - a well-organized collection is a joy to cook from and will transform your Mexican cooking.

Cooking with Dried Chiles: Beyond Sauces

While sauces and salsas are the primary use for dried chiles, they're also wonderful in other preparations. Toast and grind chiles de árbol into a powder to sprinkle over popcorn, eggs, or avocado toast. Infuse oil with dried chipotles for a smoky drizzle that elevates roasted vegetables, grilled meats, and even pasta. Add a whole ancho or guajillo to a pot of beans as they simmer - it dissolves slowly and adds an incredible depth of flavor. Dried chiles can also be rehydrated and stuffed: anchos stuffed with cheese, battered, and fried make chiles rellenos, while chipotles stuffed with cream cheese make an excellent appetiser. The possibilities extend far beyond the traditional sauce applications, and experimenting with dried chiles in everyday cooking is one of the most rewarding aspects of exploring Mexican cuisine in a American kitchens.

Chile Heat and American Palates

If you're new to dried chiles, start with the mild end of the scale. Ancho (1,000-2,000 SHU) and pasilla (1,000-2,500 SHU) are gentle enough for anyone who enjoys a mild curry. Guajillo (2,500-5,000 SHU) is comparable to a standard jalapeño. Chipotle (5,000-10,000 SHU) delivers noticeable warmth but nothing alarming. Chile de árbol (15,000-30,000 SHU) is where it gets properly spicy - think Nando's "Hot" territory. Habanero (100,000-350,000 SHU) is serious heat for chile enthusiasts only. Remember that dried chiles are always cooked into sauces, stews, and salsas where the heat is distributed across the entire dish, so a single hot chile in a pot that serves 6-8 people produces a very manageable level of spice. You can also remove the seeds and veins (where most of the capsaicin concentrates) before use for a milder result.