Onion Boil Shrimp Sausage (Print Version)

Tender shrimp, savory sausage, potatoes, and corn seasoned with Cajun spices and cooked in foil packets.

# What You’ll Need:

→ Seafood and Meats

01 - 1 pound large raw shrimp, peeled and deveined
02 - 12 ounces smoked sausage, sliced into 1/2-inch rounds

→ Vegetables

03 - 1 large onion, cut into wedges
04 - 2 ears corn, each cut into 4 pieces
05 - 1 pound baby potatoes, halved or quartered if large
06 - 2 cloves garlic, minced

→ Seasoning and Oils

07 - 2 tablespoons olive oil
08 - 2 teaspoons Old Bay or Cajun seasoning
09 - 1/2 teaspoon smoked paprika
10 - 1/2 teaspoon black pepper
11 - 1/2 teaspoon salt
12 - 1 lemon, sliced

→ Optional Garnish

13 - 2 tablespoons fresh parsley, chopped
14 - Additional lemon wedges for serving

# Step-by-Step:

01 - Preheat oven to 425°F or preheat grill to medium-high heat.
02 - In a large bowl, combine shrimp, sausage, onion, corn, potatoes, and garlic.
03 - Drizzle with olive oil, then sprinkle with Old Bay or Cajun seasoning, smoked paprika, salt, and black pepper. Toss until everything is evenly coated.
04 - Cut 4 large sheets of heavy-duty aluminum foil, approximately 12 by 16 inches each.
05 - Divide the mixture evenly among the foil sheets, placing in the center of each. Top each with lemon slices.
06 - Fold the long sides of the foil over the mixture, then roll up the ends tightly to seal and create packets.
07 - Arrange packets on a baking sheet for oven cooking or directly on the grill. Bake or grill for 20 to 25 minutes, until potatoes are tender and shrimp are cooked through.
08 - Carefully open packets, watching for steam. Garnish with fresh parsley and serve with extra lemon wedges if desired.

# Expert Tips:

01 -
  • Incredibly easy with minimal prep and virtually no cleanup thanks to the foil packets
  • Packed with bold Cajun flavors from Old Bay seasoning, smoked paprika, and fresh garlic
  • Versatile enough to bake in the oven or grill outdoors for a smoky char
  • Perfect for feeding a crowd or meal prepping individual portions
  • Naturally dairy-free and gluten-free (with the right sausage), making it allergy-friendly
02 -
  • Use heavy-duty foil to prevent leaks and ensure even cooking
  • Cut potatoes into smaller, uniform pieces so they cook at the same rate as the shrimp
  • Don't overcook the shrimp—they're done when they turn pink and opaque, usually within 20–25 minutes
  • Let packets rest for a minute or two after cooking to allow juices to redistribute before opening
  • These packets can be assembled up to 4 hours ahead and refrigerated until ready to cook
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