Gather all the spices and measuring utensils.
In a small mixing bowl, add the chili powder.
Measure and add the ground cumin to the bowl.
Sprinkle in the garlic powder.
Add the onion powder for extra flavor.
Incorporate the paprika for a rich color.
Add the dried oregano for an herbal note.
Season with salt and black pepper.
If desired, include crushed red pepper flakes for heat.
Mix all the ingredients thoroughly until well combined.