Cajun Sausage Shrimp Foil Packs are an easy 40-minute dinner made with large shrimp, smoked sausage, corn, zucchini, bell pepper, red onion, garlic, olive oil, and Cajun seasoning. Toss everything together, seal it in four foil packets, and bake at 425°F for 15–20 minutes, until the shrimp are opaque and pink and the vegetables are tender.
Every packet delivers smoky sausage, juicy seafood, sweet corn, colorful vegetables, and a savory Cajun kick with almost no cleanup. Finish each serving with fresh parsley and lemon juice for a bright, satisfying meal that works beautifully on a busy weeknight or at an outdoor grill gathering.
Jump to RecipeWhy You’ll Love This Recipe

These Cajun Sausage Shrimp Foil Packs bring the best parts of a seafood boil to the dinner table without a large pot, a crowded stovetop, or a sink full of dishes. Each serving is packed individually, so the seasoning and juices stay close to the shrimp and vegetables as they cook.
The ingredient list is colorful, practical, and easy to find. Smoked sausage brings savory richness, shrimp cook quickly, corn adds sweetness, and zucchini, bell pepper, and red onion soften into a flavorful vegetable medley.
Foil packets also make serving simple. Set one packet on each plate, open it carefully, add parsley and lemon, and dinner is ready. If your family enjoys seafood appetizers too, our shrimp nacho bites make a fun starter before this main course.
Ingredients You’ll Need

The recipe serves four and uses one pound of large raw shrimp. Choose shrimp that are peeled and deveined to keep preparation quick, but leave the tails on if you enjoy their presentation and extra seafood flavor.
- Protein: Use 12 ounces of smoked sausage or andouille sausage cut into 1/2-inch rounds. Andouille has the strongest Cajun character, while kielbasa or another fully cooked smoked sausage gives a milder result.
- Vegetables: Two ears of corn cut into 2-inch pieces, one zucchini sliced into half-moons, one red bell pepper in bite-size pieces, and half a medium red onion provide varied color and texture.
- Seasoning: Three tablespoons olive oil, one tablespoon Cajun seasoning, three minced garlic cloves, 1/2 teaspoon optional smoked paprika, 1/2 teaspoon kosher salt, and 1/4 teaspoon black pepper create the savory coating.
- Finishing ingredients: One lemon cut into wedges and two tablespoons chopped fresh parsley add freshness after baking.
Check the salt level of your Cajun seasoning before adding the kosher salt. Some blends are already quite salty, so seasoning gradually is the best way to keep the finished packets balanced.
For another comforting sausage dinner, you can also serve these packets alongside our sausage stuffed shells on a separate occasion.
How to Make It Step-by-Step

Step 1: Heat the oven to 425°F. Tear off four large sheets of heavy-duty aluminum foil and place them on your work surface, keeping enough room around each portion to fold and crimp the edges.
Step 2: Pat the shrimp dry with paper towels so the seasoning clings well and excess moisture does not water down the packet juices. In a large bowl, combine the shrimp, sliced sausage, corn, zucchini, bell pepper, red onion, olive oil, Cajun seasoning, garlic, smoked paprika, salt, and black pepper.
Step 3: Toss the mixture gently but thoroughly until the vegetables and seafood are coated with oil, garlic, and spices. Mixing everything in one bowl gives each packet a consistent balance of shrimp, sausage, vegetables, and seasoning.
Step 4: Divide the mixture evenly among the four foil sheets, arranging the ingredients near the center of each sheet. Leave a little open space above the food so steam can circulate and cook the vegetables without pressing against the foil.
Step 5: Fold the foil over each portion and crimp the edges tightly to form sealed packets. Place the packets on a rimmed baking sheet, which helps prevent spills and makes transferring them into and out of the oven easier.
Step 6: Bake for 15–20 minutes at 425°F. The shrimp should be opaque and pink, the vegetables should be tender, and the shrimp should reach an internal temperature of 145°F.
Step 7: Remove the baking sheet from the oven and open the packets carefully because very hot steam will escape. Finish each packet with chopped parsley and a generous squeeze of lemon juice, then serve immediately.
Pro Tips for Tender Shrimp and Flavorful Vegetables

The most important tip is to avoid overcooking the shrimp. Large shrimp need only the listed 15–20 minute cooking window, and leaving them in a hot oven longer than necessary can make them firm and rubbery.
Cut the vegetables into pieces that will cook at a similar rate. Corn pieces should be about 2 inches, zucchini should be sliced into half-moons, and bell pepper and onion should be cut into bite-size pieces rather than very large chunks.
Heavy-duty foil is worth using because it is less likely to tear when filled or opened. For grilling, double-wrap the packets, seal them well, and cook them over medium-high heat at approximately 400–425°F for 12–15 minutes, turning once if needed.
Andouille sausage gives the most pronounced Cajun flavor, but kielbasa or another fully cooked smoked sausage is an excellent milder substitute. Since the sausage is already cooked, slice it evenly so it warms and browns while the shrimp finish.
If you prefer a shrimp-boil-style packet with potatoes, replace the zucchini and bell pepper with 1 pound of halved baby potatoes and add 2–3 tablespoons of butter. Parboil the potatoes for about 8–10 minutes before assembling the packets because raw potatoes take longer than the shrimp to become tender.
Old Bay can replace Cajun seasoning if that is what you have available. Use approximately 1 to 1 1/2 tablespoons, then taste the overall seasoning carefully because different blends vary in salt and heat.
Serving Ideas and Pairings

These packets are filling on their own, but a simple side can stretch the meal for a larger table. Serve them with warm bread for soaking up the seasoned juices, or offer a crisp green salad for a lighter contrast.
Fresh lemon is more than a garnish here. Its acidity cuts through the smoked sausage and olive oil, wakes up the vegetables, and keeps the Cajun seasoning from tasting heavy.
For a casual gathering, place the sealed packets on a platter and let guests open their own portions at the table. Just remind everyone that the first burst of steam will be hot.
If you are planning a bread basket, our homemade dinner rolls are a comforting match. For a lighter crunchy side, try these easy keto tortilla chips with a fresh dip.
Storage and Reheating

Cool leftover shrimp and vegetables promptly, then transfer them from the foil into an airtight container. Refrigerate leftovers and enjoy them within a short, safe storage period for the best texture and flavor.
Reheat gently in a covered skillet over medium-low heat or in the oven until warmed through. Avoid prolonged high heat, since reheating can overcook the shrimp even after the original packets have cooled.
For the freshest result, prepare only the amount you expect to eat. The vegetables and sausage hold up well, but shrimp are at their most tender immediately after cooking.
When planning dessert after this spicy, savory meal, a fruit-based finish such as an easy cherry crisp offers a pleasant sweet contrast.

Cajun Sausage Shrimp Foil Packs
Ingredients
Method
- Heat the oven to 425°F and tear off four large sheets of heavy-duty aluminum foil.
- Pat the shrimp dry. Add the shrimp, sausage, corn, zucchini, bell pepper, onion, olive oil, Cajun seasoning, garlic, smoked paprika, salt, and black pepper to a large bowl, then toss until evenly coated.
- Divide the mixture evenly among the four foil sheets. Fold the foil over the food, leave a little space inside for steam to circulate, and crimp the edges tightly to seal each packet.
- Place the packets on a rimmed baking sheet and bake for 15–20 minutes, until the shrimp are opaque and pink, the vegetables are tender, and the shrimp reach 145°F internally.
- Carefully open the packets because hot steam will escape. Sprinkle with parsley and squeeze lemon juice over each serving before eating.
Notes
Final Thoughts
Cajun Sausage Shrimp Foil Packs are proof that a memorable dinner does not need complicated preparation. With one bowl, four foil sheets, and about 40 minutes, you get tender shrimp, smoky sausage, sweet corn, and colorful vegetables infused with garlic and Cajun spice.
Keep the packets sealed during baking, leave room for steam, and open them carefully at the end. A final shower of parsley and a squeeze of lemon bring the whole dish together.
Whether you bake them on a weeknight or grill them for a relaxed outdoor meal, these individual foil packs are easy to serve and even easier to love. Make the classic vegetable version first, then try the parboiled potato variation when you want a heartier shrimp-boil-style dinner.