Grilled New England Seafood Foil Packets

Bahan-bahan (4 porsi)

• 2 tablespoons butter, (at room temperature)
• 2 tablespoons finely chopped fresh dill ((plus extra for garnish, if desired))
• 1 small garlic clove, (minced)
• kosher salt and freshly ground black pepper
• 8 ounces red potatoes, (scrubbed and thinly sliced)
• 16 ounces skinless cod fillet, (cut into 4 equal pieces)
• 16 large shrimp, (peeled and de-veined)
• 2 ears corn on the cob, (each cut into four pieces)
• 1 medium lemon, (thinly sliced)