20-Min Garlic Butter Seafood Boil
Sheet-pan Cajun seafood with langoustines, corn, and potatoes in garlicky butter and Old Bay seasoning. Ready in 20 minutes—no boiling water, no mess.
- Total time
- 20 min
- Servings
- 2
- Calories
- 425
- Protein
- 28g

Ingredients
6 items — tap to check off
Missing one? Custrd suggests a swap that works.
Open the appInstructions
Step 1
Preheat oven to 400°F. Toss potatoes and corn with 2 tbsp butter, 1 tsp Old Bay, salt, and pepper.
Step 2
Spread on a sheet pan and roast for 8 minutes until potatoes start to soften.
Step 3
Meanwhile, melt remaining 4 tbsp butter in a bowl with garlic and 1 tsp Old Bay.
Step 4
Pull pan from oven. Push vegetables to the sides and add langoustines to the center.
Step 5
Drizzle garlic butter over everything. Roast 5 minutes until langoustines are opaque and cooked through.
Step 6
Serve hot directly from the pan with crusty bread and lemon wedges.
Tools you’ll need
- sheet pan (18 x 13 inch)
- oven
- small bowl
- spoon
Cook smarter
Get matched recipes for what’s in your fridge
Custrd is a free iOS app that finds real recipes from the ingredients you already have. No more grocery-list aspirations.



