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The Ultimate Seafood Boil Foil Packets

A candid, beautifully lit close-up photograph of an open Seafood Boil Foil Packet resting on a wooden table, bursting with juicy jumbo shrimp, smoky sausage, buttery yellow corn, and red potatoes swimming in a rich, seasoned garlic butter sauce.

Ingredients

  • 1 ½ lbs baby red or yellow potatoes

  • 4 ears fresh corn, cut into 4-5 sections each

  • 2 lbs jumbo shrimp (16-20 count), peeled and deveined (tails on)

  • 12 oz andouille sausage, sliced on the bias

  • ½ small yellow onion, thinly sliced into half-moons

  • 1 ½ cups unsalted butter, melted

  • 1 tablespoon fresh lemon juice

  • 2 teaspoons Worcestershire sauce

  • 1 tablespoon Creole or Cajun seasoning

  • 1 tablespoon Old Bay seasoning (plus extra for serving)

  • 8 cloves garlic, minced

  • 1 tablespoon fresh parsley, chopped (plus extra for garnish)

  • Lemon wedges, for serving

Instructions

  • Boil Vegetables: Bring a large pot of salted water to a boil. Add the baby potatoes and cook for 10 minutes. Add the corn sections and boil for an additional 3-5 minutes until just tender. Drain well and transfer to a very large mixing bowl.

  • Add Protein: Add the sliced andouille sausage, raw jumbo shrimp, and sliced yellow onions to the bowl with the warm vegetables.

  • Make Butter Sauce: In a small bowl, whisk together the melted butter, lemon juice, Worcestershire sauce, Creole seasoning, Old Bay, minced garlic, and chopped parsley.

  • Toss: Pour the warm garlic butter sauce over the shrimp and vegetable mixture. Toss gently with a large spoon until all ingredients are completely coated in the sauce.

  • Assemble Packets: Tear off 5 large sheets of heavy-duty aluminum foil (about 13×13 inches each). Divide the seafood mixture evenly among the center of the foil sheets.

  • Seal: Fold the edges of the foil up and crimp them tightly to seal the packets, leaving a small tent of space at the top for steam.

  • Cook: Preheat your oven to 425°F (or heat a grill to medium-high). Place the packets on a baking sheet and bake for 15-17 minutes (or grill for 13-15 minutes), just until the shrimp are pink and cooked through.

  • Serve: Carefully open the foil packets (watch out for hot steam!). Garnish with extra parsley, a sprinkle of Old Bay, and fresh lemon juice. Serve warm with crusty bread!