Whisk all ingredients in a medium bowl. Place in an airtight container and store in a cool, dry location.
3 tbsp ancho chili powder, 2 tbsp ground cumin, 1 tbsp garlic powder, 1 tbsp onion powder, 1 tbsp dried oregano, 2 tsp smoked paprika, 1 tsp crushed red pepper, 1 tsp kosher salt, 1 tsp black pepper