These shrimp boil foil packets turn a classic coastal feast into a weeknight dinner you can actually pull off without a massive pot, a cooler full of ice, or a crowd of twelve. Shrimp, smoked sausage, red potatoes, and corn all steam together in their own individual foil packet, seasoned with Old Bay, garlic, lemon, and melted butter. The whole thing takes 40 minutes from start to table. You can cook them on the grill or in the oven; either way works, and cleanup is almost nothing because the foil goes straight in the trash. The brown butter dipping sauce at the end takes about five minutes and is completely worth making.
Table of Contents
Ingredients
Makes 4 packets
For the packets:
- 10 red potatoes, cubed (about 3 lbs)
- 1 ear of corn, cut into 6 pieces
- 8 oz smoked beef sausage, sliced ½-inch thick
- 24 raw shrimp, peeled and deveined (21/25 to 31/40 count)
- ½ lemon, juiced
- 2 tbsp Old Bay seasoning
- 2 tbsp minced garlic
- ⅛ tsp sea salt
- ⅛ tsp black pepper
- 3 tbsp melted butter
For the brown butter dipping sauce:
- 4 tbsp butter
Shrimp Boil Foil Packets Instructions
Get ready: one bowl, four packets, and you’re done prepping in under 20 minutes.
Par-Cook the Potatoes and Corn
- Boil the potatoes and corn first. Bring a large pot of water to a boil. Add the cubed potatoes and corn pieces and cook for 10 minutes. You’re not cooking them through, just getting them started. Drain and set aside. This step is what separates tender, buttery potatoes in the finished packet from firm, undercooked ones, and it takes no more effort than boiling pasta.
Season and Assemble
- Combine everything in one bowl. Add the shrimp to a large bowl first, then the par-cooked potatoes, corn, and sliced sausage. Squeeze the lemon half over everything. Add the Old Bay, minced garlic, salt, pepper, and melted butter. Toss until every piece is coated: the potatoes should look glossy, the shrimp should have color from the seasoning, and the sausage coins should be mixed throughout.
- Build the packets. Tear off four sheets of heavy-duty foil, each roughly 12×12 inches. Divide the mixture evenly: roughly a quarter of everything per packet. To seal: bring the long sides up and fold them together toward the center in two or three folds, then roll the short ends up tightly. You want a sealed steam pocket, not a loose tent. Loose packets leak butter and steam, and the shrimp cook unevenly. Seal them well.
Cook
- Grill or oven: both work. On the grill: place packets over medium-high heat. Cook 10 minutes, flip carefully with tongs (grab from both ends to keep the seal), then cook 5 to 6 more minutes. In the oven: place packets on a rimmed baking sheet and bake at 400°F for 20 minutes with no flipping needed. Either way, check one packet at the 18-minute mark (or after the full grill time): open the corner carefully, the shrimp should be pink and opaque all the way through, the potatoes fork-tender. If the shrimp are still translucent at the center, reseal and give it another 2 minutes.
Make the Brown Butter Sauce
- Watch the butter closely. While the packets cook, melt 4 tablespoons of butter in a small saucepan over medium-low heat. It will foam first, then settle, and you’ll start seeing golden-brown bits forming at the bottom of the pan. That’s where the flavor is. Pull it off the heat the moment it smells nutty and looks a light amber, about 4 to 5 minutes total. Pour into a small bowl for dipping. Don’t walk away from it: there’s maybe a 60-second window between perfect and burnt.
Serve
- Open carefully and serve. Hold packets away from your face when you open them: steam rushes out, and it’s very hot. You can serve straight from the foil for zero cleanup, or slide the contents onto plates. Set the brown butter sauce on the table with extra lemon wedges.
Tips, Variations & Substitutions
A few things that make these shrimp foil packets consistently better, plus honest swaps for what you might not have on hand.
- Don’t skip the par-boil. Potatoes are dense. A sealed foil packet generates steam but doesn’t heat the potato cube enough to cook it all the way through before the shrimp overcooks. Ten minutes in boiling water fixes this completely.
- Use medium-large shrimp, not small. Tiny shrimp (61/70 count) will be rubbery before the potatoes even warm through. Go with 21/25 or 31/40. They can handle a couple of extra minutes of heat without losing their texture.
- Heavy-duty foil or doubled regular foil. Standard foil tears when you flip packets on the grill. Heavy-duty handles it cleanly.
- Add bell pepper or onion. Both hold up well inside the packet without turning mushy. Slice them thick and add them with the other ingredients; no par-boiling needed.
- Adjust the heat. Old Bay has mild warmth, not real heat. For more kick, add ¼ teaspoon of cayenne to the bowl when seasoning. To make this kid-friendly, reduce Old Bay by half.
- Make-ahead option. Assemble fully sealed packets and refrigerate for up to 4 hours before cooking. Add 3 to 4 minutes to the cook time when going straight from the fridge.
Storage & Make-Ahead
Leftovers keep in an airtight container in the fridge for 2 days. Shrimp doesn’t reheat well in the microwave: it turns rubbery. Eat leftover shrimp cold over rice or in a salad instead. The potatoes and sausage reheat fine in a skillet with a little butter.
Freezing isn’t recommended: shrimp texture suffers after freezing and warming, and the potatoes turn watery.
What to Serve With Shrimp Boil Foil Packets
Each packet is already a complete meal: protein, starch, and vegetable all in one. But if you’re feeding a crowd or want something extra on the table:
Crusty bread or dinner rolls are genuinely great here because the brown butter does double duty as a bread dipper, not just a shrimp sauce. Set a loaf in the center and let people tear off pieces throughout the meal.
A bright green salad with a sharp vinaigrette cuts beautifully against the richness of the butter-and-Old-Bay packet. easy summer salad recipes Something with lemon dressing and herbs works especially well.
Watermelon or a fruit salad alongside turns this into a full Southern-style spread without any extra cooking. The sweetness balances the savory intensity of the Old Bay.
Coleslaw is the other natural companion: cool and crunchy against hot, buttery shrimp. easy coleslaw recipe
According to Serious Eats, steaming in a sealed environment like a foil packet cooks food more gently and evenly than direct dry heat, which is exactly why shrimp stays tender instead of snapping tight when it’s sealed in properly folded foil.
Shrimp Boil Foil Packets
Ingredients
- 10 red potatoes cubed (about 3 lbs total)
- 1 ear of corn cut into 6 pieces (fresh or frozen rounds)
- 8 oz smoked beef sausage sliced 1/2-inch thick (kielbasa-style)
- 24 raw shrimp peeled and deveined (medium-large, 21/25 to 31/40 count)
- 0.5 lemon juiced
- 2 tbsp Old Bay seasoning
- 2 tbsp minced garlic
- 0.125 tsp sea salt
- 0.125 tsp black pepper
- 3 tbsp melted butter for the packets
- 4 tbsp butter for brown butter dipping sauce
Instructions
- Bring a large pot of water to a boil. Add the cubed potatoes and corn pieces and par-cook for 10 minutes. Drain and set aside — they will finish cooking inside the packets.
- In a large bowl, combine the shrimp, par-cooked potatoes, corn, and sliced sausage. Squeeze the lemon half over everything. Add Old Bay, minced garlic, salt, pepper, and melted butter. Toss until every piece is evenly coated.
- Tear off four sheets of heavy-duty foil, roughly 12×12 inches each. Divide the mixture evenly among the four sheets. Bring the long sides up and fold toward the center, then roll the ends up tightly so no steam escapes.
- GRILL: Place packets on a preheated grill over medium-high heat. Cook 10 minutes, flip carefully with tongs, then cook 5 to 6 minutes more. OVEN: Place packets on a baking sheet and bake at 400°F for 20 minutes. Check one packet at 18 minutes — shrimp should be pink and opaque.
- While packets cook, melt 4 tablespoons of butter in a small saucepan over medium-low heat. Watch closely: the butter will foam, then settle, then develop golden-brown bits at the bottom. Pull from heat when it smells nutty and looks light amber, about 4 to 5 minutes. Pour into a small bowl.
- Open packets carefully away from your face — steam is very hot. Serve directly from the foil or slide contents onto plates. Set out the brown butter sauce alongside.
Frequently Asked Questions
Can you make shrimp boil foil packets in the oven?
Yes, the oven method works just as well as the grill for these shrimp boil foil packets. Place sealed packets on a rimmed baking sheet and bake at 400°F for 20 minutes. No flipping needed. The sealed foil creates the same steam environment whether the heat source is above or below, so the results are nearly identical. The grill adds a very slight char to the foil’s exterior but doesn’t change what’s happening inside the packet.
How long do you cook shrimp foil packets on the grill?
On a preheated grill over medium-high heat, shrimp foil packets take about 15 to 16 minutes total: 10 minutes on the first side, then 5 to 6 minutes after flipping. The exact time depends on how tightly your packets are sealed and how hot your grill runs. Always check one packet: pink, opaque shrimp in a loose C-shape means it’s done. Tight curl means overcooked. If the shrimp look translucent at the thickest part, reseal and give them 2 more minutes.
How do you know when shrimp is done in foil packets?
Open one corner of a packet carefully after the minimum cook time. Done shrimp are pink all the way through, opaque rather than translucent, and curled into a slight C-shape. A tight, closed O-shape means overcooked, and the texture will be rubbery. If you have an instant-read thermometer, cooked shrimp registers between 120°F and 140°F at the thickest part. The residual heat inside a sealed packet keeps cooking the shrimp after you pull it from the heat, so it’s better to check slightly early than to wait until they look done.
Conclusion
Shrimp boil foil packets are one of those recipes that deliver a full coastal cookout experience on a usual Tuesday night. The par-boil step takes ten minutes but makes the difference between perfect potatoes and crunchy ones, and the brown butter sauce at the end turns a good dinner into a great one. Make them on the grill for summer cookouts or in the oven whenever the weather doesn’t cooperate, and let me know how they turned out in the comments.
