Step 1

Cut 2 of the lemons into quarters. Cut the remaining lemon into wedges and reserve the wedges for later use.

Step 2

Fill a large pot with 12-14 cups of water. Place the 2 quartered lemons in the water along with the Old Bay seasoning, garlic and onion. Bring to a boil.

Step 3

Add the potatoes to the pot and cook for 10-12 minutes or until just tender.

Step 4

Add the crab, corn and sausage and cook for another 3-4 minutes.

Step 5

Add the shrimp to the pot and cook for 2-3 minutes or until pink and opaque.

Step 6

Drain the shrimp mixture from the pot, reserving 1 cup of the broth.

Step 7

Melt the butter and whisk it into the reserved broth. Pour the broth over the shrimp and crab mixture.

Step 8

Garnish with chopped parsley and lemon wedges. Sprinkle with additional Old Bay seasoning to taste, then serve immediately.