Combine together the chili powder, allspice, celery seeds, coriander, garlic powder, mustard seeds, oregano, smoked paprika, and season to taste with salt and pepper.
3 tbsp. chili powder, 1 tbsp. allspice, 1 tbsp. celery seeds, 1 tbsp. coriander seeds, 1 tbsp. garlic powder, 1 tbsp. mustard seeds, 1 tbsp. dried oregano, 1 tbsp. smoked paprika, Sea salt and freshly ground black pepper