Preheat the oven to 350℉.

Bring a large pot of water to a boil, then once boiling sprinkle old bay seasoning and garlic powder into the water.

In a separate pan, add in the butter sticks and melt them completely. Once the butter is melted, add all the seasonings and mix well, then add half a cup of the boiling water into the mixture and set aside.

Squeeze the lemon juice into the boiling water, then add the red potatoes, corn, and sausage and cook until soft. Once the contents are soft, remove them from the pot and place them into the aluminum pan.

Next, add in the snow crab legs and cook until soft, then take them out and set them in the aluminum pan and Add in the shrimp and cook for only 3 minutes, then all them into the aluminum pan.

Organize all the contents in the aluminum pan to your liking, then pour the sauce over the seafood boil, sprinkle with parsley and bake for 10 minutes.

Serve immediately after removing from the oven and enjoy.