Creating your Cajun Seafood Boil with Garlic Butter Sauce is straightforward. Follow these steps for a delicious outcome:

1. Prep the Seafood: Rinse the shrimp and crab legs under cold water. Pat dry and set aside.
2. Boil Potatoes: In a large pot, fill with water and add baby potatoes. Bring to a boil and cook for 10-15 minutes until slightly tender.
3. Add Corn and Sausage: Add the corn and sliced sausage to the pot. Continue boiling for another 5 minutes.
4. Add Seasonings: Stir in the Cajun seasoning and Old Bay seasoning, ensuring everything is coated well.
5. Introduce the Seafood: Carefully add the shrimp and crab legs to the boiling pot. Cook for about 5-7 minutes, or until the shrimp turn pink.
6. Prepare Garlic Butter Sauce: In a separate saucepan, melt the butter over medium heat. Add minced garlic and sauté for 1-2 minutes until fragrant. Be careful not to burn the garlic.
7. Combine with Seafood: Once the seafood is cooked, drain the pot and transfer everything to a large serving tray.
8. Drizzle Sauce: Pour the garlic butter sauce generously over the seafood mixture.
9. Garnish: Squeeze fresh lemon juice over the dish and sprinkle with chopped parsley for a burst of color and flavor.
10. Serve Immediately: Serve hot, allowing everyone to dig in and enjoy!