Shreddies Snack Mix and BBQ Spice Rub (2 for 1) Recipe - Make your own BBQ spice rub to have on hand when barbecuing steaks, chops, or chicken. And, while the meat is absorbing all the good flavours, make the Shreddies Snack Mix using some of the BBQ spice rub. Easy, delicious, and practical &#8211; the BBQ spice rub is used in 2 different, complimentary ways.