Cajun Spice Rub by CI. Makes about 1 cup. This make-ahead spice rub is delicious on grilled chicken; it makes enough to season about 16 breasts. If stored in an airtight continer, the rub will remain potent for up to three months. INGREDIENTS 1/2 cup sweet paprika,  2 tablespoons kosher salt,  2 tablespoons garlic powder,  1 tablespoon dried thyme,  2 teaspoons ground celery seed,  2 teaspoons ground black pepper,  2 teaspoons cayenne pepper. Combine all ingredients in small bowl.