Add the quartered potatoes to the pot and cook for about 10 minutes.
Add the andouille sausage slices to the pot and let them cook for an additional 5 minutes.
Add the frozen corn halves, frozen snow crab legs, and frozen shrimp together into the pot. Turn off the heat completely and cover the pot. Allow everything to sit in the hot water, letting the residual heat cook the seafood and corn for 15 minutes.
While the seafood and vegetables are sitting, prepare the Big Back Butter. In a medium saucepan, bring 1/2 cup of water to a boil over high heat. Reduce the heat to low and gradually whisk in the cold butter pieces, ensuring the mixture emulsifies and thickens without boiling. Stir in 2 tbsp of Uncle Dibbz Delta Dust seasoning. Once the sauce is smooth and emulsified, cut the heat and stir in the chopped parsley, Worcestershire sauce, and hot sauce.
After the 15 minutes are up, uncover the pot, stir gently to mix all the ingredients.
Drain the seafood boil and remove the bay leaves, onion, and lemon halves.
Arrange the seafood, sausage, and vegetables on a large serving platter.
Drizzle the Big Back Butter over the entire platter.
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