Stubb's Kosher Hickory Mustard Seasoning, 5.04 oz Bottle. When it came to Bar-B-Q, Stubb would say, "It all starts with a good rub." Stubb’s Hickory Mustard Seasoning is a bold, Texas-style blend of sea salt, mustard, garlic, and hickory smoke for a smokey kick that’ll treat you right. C.B. Stubblefield, known simply as "Stubb”, opened his bar-b-q joint in Texas after feeding thousands as a mess sergeant in the Korean War. His belief in legendary ingredients, hard work, and careful craftsmanship