This Cajun foil-pack broil is a streamlined, grill-friendly take on a classic Southern seafood boil, designed for maximum flavour with minimal cleanup.
Ingredients (Serves 4)
Main Components
- 500 g large prawns (shell-on, deveined)
- 400 g smoked sausage or chorizo (sliced, 2–3 cm pieces)
- 600 g baby potatoes
- 2 ears of corn (cut into thirds)
Cajun Butter
- 120 g unsalted butter
- 20 g garlic (minced)
- 10 g Cajun seasoning
- 5 g smoked paprika
- 3 g cayenne pepper
- 5 g brown sugar
- 10 ml lemon juice
- 5 g salt
- Black pepper to taste
Step 1: Grill Setup
Preheat BBQ to 190–200°C (medium to high heat)
Use direct heat (foil protects contents)
Lid closed for consistent internal steaming
Step 2: Parboil Base
Boil potatoes in salted water for 10–12 minutes
Add corn for last 5 minutes
Drain thoroughly
This step ensures everything finishes at the same time in the foil.
Step 3: Make Cajun Butter
Melt butter
Add garlic (30–60 seconds)
Stir in Cajun seasoning, paprika, cayenne, sugar, salt, pepper
Finish with lemon juice
Step 4: Build Foil Packs
Use heavy-duty foil (or double-layer standard foil).
For each pack:
Add potatoes, corn, sausage, and prawns (even distribution)
Spoon over Cajun butter generously
Toss the ingredients lightly inside the foil
Step 5: Seal
Fold edges inward to create an airtight packet
Leave a small air gap inside for steam circulation
Step 6: Cooking
Place foil packs directly on the grill grates
Close lid
Cook for 12–15 minutes, flipping once halfway
Internal environment becomes a butter-steam chamber, cooking everything evenly.
Step 7: Serve
Carefully open packs (steam will escape)
Optional: add extra butter or lemon juice
Garnish with parsley
Serve directly in foil or transfer to a tray.
Technical Notes
Foil traps moisture → prevents drying and enhances seasoning penetration
Butter + steam = emulsified coating on all ingredients
Shrimp cook safely within the sealed environment without overexposure
Optional Upgrades
Add sliced bell peppers (150 g) for sweetness
Include 1–2 tsp hot sauce per pack for acidity








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