01 - Whisk together melted butter, Cajun seasoning, hot sauce, lemon juice, chicken broth, garlic powder, onion powder, cayenne pepper and salt until fully blended.
02 - Pat turkey thoroughly dry using paper towels. Use a meat injector to distribute marinade into breast, thighs, legs and wings as evenly as possible.
03 - Mix dry rub ingredients in a bowl. Rub mixture generously over entire turkey, including under the skin where possible.
04 - Cover the seasoned turkey and refrigerate for 12 to 24 hours to allow flavors to infuse.
05 - Remove turkey from refrigerator and let it come to room temperature for about 1 hour. Blot any excess moisture with paper towels.
06 - Fill a large outdoor fryer or stockpot with peanut oil and heat to 350°F using a deep-fry thermometer.
07 - Carefully lower turkey into hot oil, ensuring it is completely submerged. Fry for approximately 3 to 4 minutes per pound, or until a thermometer inserted in the thickest part of the breast registers 165°F.
08 - Lift turkey from oil using a turkey lifter or hook. Place on a wire rack or tray and allow to rest for at least 20 minutes before carving.