Combine the Cajun seasoning, brown sugar and five-spice powder; rub over pork. Place roast in a shallow baking pan. Bake, uncovered, at 350° for 1-1/2 to 2 hours or until meat is tender.
Spray 10 wonton wrappers with cooking spray. Fold each wrapper in half diagonally and place over the edge of a 13x9-in. baking pan. Bake at 350° for 5-7 minutes or until golden brown. Remove from the pan and immediately pull wrappers apart gently, forming taco shells; set aside. Repeat with remaining wrappers.
When pork is cool enough to handle, shred meat with two forks; place in a large bowl. Combine the hoisin sauce, 1 tablespoon rice vinegar, 2 teaspoons lime juice and pepper sauce; add to pork and toss to coat.
In a large bowl, combine the honey, lime zest and remaining rice vinegar and lime juice. Add the cabbage, carrot, onions and jalapeno; toss to coat. Spoon pork mixture into taco shells; top with coleslaw.
To Make Ahead: Taco shells and pork filling can be made a day ahead. Store cooled shells in an airtight container. Cover and refrigerate pork filling. To serve, heat through.
Wear disposable gloves when cutting hot peppers; the oils can burn skin. Avoid touching your face.
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