Mix all the ingredients in a glass bowl until evenly combined.
Transfer the seasoning to an airtight glass jar or spice container. Store in a cool, dry place away from direct sunlight, heat, and excess humidity.
For the best flavor, let the seasoning rest overnight before using. The flavors will meld together and become more balanced and pronounced by the next day.
For more heat, replace the chipotle powder with ground chile de árbol.For a milder seasoning, replace the chipotle powder with paprika.Use pre-ground chiles for convenience, or grind your own.A small amount of sugar can be added, but it is completely optional.Adjust the salt to suit your preference.Let the seasoning rest overnight for the best flavor. The tanginess becomes more balanced and pronounced by the next day.