1. 1. Preheat the oven to 350°F / 175°C.

2. 2. Slice the baguette into 1-inch / 2.5 cm thick rounds and arrange them on a baking sheet.

3. 3. In a small bowl, combine softened butter, minced garlic, and a pinch of salt.

4. 4. Evenly spread the garlic butter mixture onto each baguette slice.

5. 5. Bake for 5 to 7 minutes, or until the edges are lightly golden and crisp.

6. 6. In another bowl, whisk together lemon juice, chopped parsley, and 1/2 tsp salt. Set the lemon parsley aioli aside.

7. 7. Arrange cooked lobster tails, scallops, mussels, and shrimp on a large serving platter or individual plates.

8. 8. Serve the toasted baguette slices alongside the seafood.

9. 9. Offer the lemon parsley aioli as a dipping sauce.

10. 10. Garnish with extra parsley if desired and serve immediately. Be careful when handling hot dishes to avoid burns.