– ½ teaspoon hot chili powder

Hot chili powder is a ground spice derived from dried chili peppers (Capsicum species), typically blended to deliver pronounced heat alongside fruity or smoky flavor notes. The powder's pungency derives from capsaicinoids—alkaloid compounds that trigger the sensation of heat on mucous membranes—with heat levels ranging from moderate to extreme depending on the source peppers. Common varieties include cayenne-dominant blends (very hot), ancho-based mixtures (medium heat), and regional compositions incorporating multiple pepper cultivars. The production process involves drying fresh chili peppers and grinding them to fine powder, sometimes with additional spices such as cumin, garlic, or oregano blended in depending on regional tradition.

Regional variations exist widely: Mexican chili powders emphasize dried chiles like ancho and chipotle; Indian varieties (lal mirch) tend toward extreme heat from cayenne or bird's eye peppers; and American commercial blends often temper heat with other seasonings. Heat is measured in Scoville Heat Units (SHU), ranging from approximately 2,500–50,000 SHU for milder powders to 100,000+ SHU for pure cayenne preparations.

Hot chili powder serves as a primary heat and flavor agent across countless cuisines. In Mexican cooking, it appears in moles, enchilada sauces, and dried chili-based pastes; in Indian cuisine, it seasons curries, dals, and spice blends (masalas); in Southwestern and Tex-Mex preparations, it flavors chili con carne, salsas, and rubs for grilled meats. The powder is commonly used as a finishing seasoning, stirred into soups and stews, or incorporated into dry rubs for roasted vegetables and proteins. It pairs effectively with garlic, cumin, oregano, and acidic elements (lime, vinegar) that balance its heat and bring out underlying fruity or smoky notes. Small quantities—as little as ¼ teaspoon—can significantly increase perceived spiciness, while measured use allows for layered heat development without overwhelming other flavors.