4-PEPPER POULTRY RUB

4 TABLESPOONS SALT 3 TABLESPOONS BROWN SUGAR 1 TABLESPOON ONION SALT 1 TABLESPOON BLACK PEPPER 1 TABLESPOON WHITE PEPPER 1 TABLESPOON LEMON PEPPER 1 TABLESPOON CAYENNE PEPPER 1 TABLESPOON CHILI POWDER 1 TABLESPOON DRIED MARJORAM 1 TABLESPOON DRIED SAGE 1 TABLESPOON CORNSTARCH