How long do commercial dry rubs keep? I am smoking a pork butt tomorrow and I a wondering if its time toss out my 3.5-year old CS Spicy Chicken Rub and if I should make my own rub for this one. Also, any suggestions on what rub to make? I like a crusty outside so I guess I should include some sugar (turbinado or light brown) in the rub.
Thanks for any suggestions
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