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Flavorful Cajun Shrimp Boil Foil Packets Recipe Easy Perfect Grilled Dinner

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A quick and easy grilled Cajun shrimp boil cooked in foil packets, locking in smoky, spicy flavors with tender shrimp, potatoes, corn, and bell peppers.

Ingredients

Scale
  • 1 pound large shrimp, peeled and deveined (fresh or thawed from frozen)
  • 2 small red potatoes, diced (bite-sized pieces)
  • 1 ear of corn, cut into thirds (or 1 cup frozen corn)
  • 1 bell pepper, sliced (red or yellow)
  • 2 cloves garlic, minced
  • 1 lemon, thinly sliced
  • 2 tablespoons Cajun seasoning
  • 2 tablespoons unsalted butter, melted
  • 1 tablespoon olive oil
  • Salt and pepper, to taste
  • Optional: pinch of cayenne pepper for extra heat
  • Optional: chopped parsley or green onions for garnish

Instructions

  1. Dice the red potatoes into ½-inch cubes. Slice the corn into thirds and the bell pepper into strips. Mince the garlic and thinly slice the lemon.
  2. In a large bowl, combine Cajun seasoning, melted butter, olive oil, garlic, salt, pepper, and optional cayenne pepper. Stir well.
  3. Add shrimp, potatoes, corn, and bell pepper to the bowl. Toss gently until everything is evenly coated with the seasoning mixture.
  4. Tear off four large sheets of heavy-duty aluminum foil (about 12×12 inches each). Divide the shrimp and veggie mixture evenly among them, placing lemon slices on top.
  5. Fold the foil over and seal edges tightly to create a pouch that traps steam inside, avoiding holes.
  6. Preheat grill to medium-high heat (about 375°F). Lightly oil grill grates to prevent sticking.
  7. Place foil packets on the grill and cook for 12-15 minutes, turning packets halfway through for even cooking.
  8. Carefully open one packet to check doneness; shrimp should be pink and opaque, potatoes tender. If needed, grill another 3-5 minutes.
  9. Remove packets from grill. Garnish with chopped parsley or green onions and serve hot straight from the foil.

Notes

Use heavy-duty foil or double wrap to prevent leaks. Do not overcrowd packets to ensure even cooking. Turn packets halfway through grilling. Prep shrimp last to avoid mushy texture. If grilling is not available, bake foil packets at 400°F for 20-25 minutes and finish with a quick broil.

Nutrition

Keywords: Cajun shrimp boil, grilled shrimp, foil packet recipe, easy shrimp dinner, Cajun seasoning, summer grilling, seafood boil