01 - Fill a large stockpot with water and bring to a rolling boil over high heat.
02 - Add Cajun seasoning, kosher salt, paprika, cayenne, black peppercorns, bay leaves, onion, garlic, lemons, and hot sauce. Stir well and boil for 10 minutes to infuse flavors.
03 - Add potatoes and sausage; simmer for 10 minutes until potatoes begin to soften.
04 - Add corn and continue to cook for 5 minutes.
05 - Gently add the live crawfish. Return to a boil, then cook for 5–7 minutes until crawfish are bright red.
06 - Turn off the heat. Add butter and stir. Let everything soak for 15 minutes to absorb flavors.
07 - Drain the boil and transfer to a large serving tray or newspaper-lined table. Garnish with parsley and extra Cajun seasoning.
08 - Serve hot, encouraging guests to peel and enjoy!