Chris Lilly does it best with his knife show, but I like it just at the point of smushing it with the gloves and leaving in slightly larger chunks for great texture.
Chopped is good, but it done wrong, it gets the consistency of cat food.
Lonestar 24" Vertical offset w/ Insulated Firebox & Performer Platinum
Former owner: Jambo Backyard, Klose BYC, Med. Spicewine, Pitts & Spitts, XL & (2) Med. BGE's, 22" WSM & (2) 18" WSM's, 18" & 22" Weber Kettles