Cajun Seafood Lasagna
Cajun Seafood Lasagna is a medium American (Cajun) recipe that serves 8. 450 calories per serving. Recipe by Ralphthebaker on YouTube.
Prep: 35 min | Cook: 40 min | Total: 1 hr 30 min
Cost: $120.01 total, $15.00 per serving
Ingredients
- 1 stick Unsalted Butter (divided, 1/2 cup)
- 1 pound Andouille Sausage (sliced)
- 2 cans Crushed Tomatoes (28‑oz cans)
- 18 ounces Tomato Paste (one 18‑oz can)
- 2 tablespoons Cajun Seasoning (store‑bought or homemade)
- 1 teaspoon Garlic Powder
- 1 teaspoon Italian Seasoning
- 1 teaspoon Salt
- 0.5 teaspoon Black Pepper (freshly ground)
- 1 tablespoon Sugar
- 2 pounds Shrimp (peeled and deveined)
- 1 pound Crawfish (cooked, tails removed)
- 1 cup Pepper Jack Cheese (shredded)
- 1 cup Mozzarella Cheese (shredded)
- 1 cup Sharp Cheddar Cheese (shredded)
- 0.5 cup Parmesan Cheese (grated)
- 12 pieces Lasagna Noodles (no‑boil or regular, pre‑cooked according to package)
- 1 sheet Aluminum Foil (to cover lasagna)
Instructions
Brown the Sausage
Melt 1/2 stick of butter in a large pot over medium heat, add the sliced Andouille sausage and cook until browned, breaking it up with a wooden spoon.
Time: PT5M
Temperature: medium heat on stove
Build the Tomato Base
Add the crushed tomatoes, tomato paste, Cajun seasoning, garlic powder, Italian seasoning, salt, pepper and sugar. Stir well and bring to a gentle simmer.
Time: PT15M
Temperature: low simmer
Add Seafood
Stir in the shrimp and crawfish, sprinkle an extra pinch of Cajun seasoning, and cook until the shrimp turn pink and the crawfish are heated through, about 3‑4 minutes.
Time: PT5M
Temperature: medium heat
Preheat Oven
Preheat the oven to 350°F (175°C).
Time: PT10M
Temperature: 350°F
Assemble the Lasagna
Spread a thin layer of sauce on the bottom of the baking dish. Layer 4 lasagna noodles, then half the sauce, then a mixture of all four cheeses. Repeat the noodle‑sauce‑cheese layers, ending with a final layer of noodles, remaining sauce, and the rest of the cheese on top.
Time: PT10M
Bake Covered
Cover the dish tightly with aluminum foil and bake for 20 minutes.
Time: PT20M
Temperature: 350°F
Bake Uncovered
Remove the foil and bake an additional 10 minutes until the cheese on top is golden and bubbling.
Time: PT10M
Temperature: 350°F
Rest Before Serving
Allow the lasagna to rest for 10 minutes before cutting. This helps the layers set and makes slicing easier.
Time: PT10M
Nutrition Facts
- Calories
- 450
- Protein
- 30g
- Carbohydrates
- 35g
- Fat
- 20g
- Fiber
- 3g
Dietary info: High protein, Contains dairy, Contains shellfish, Not vegan, Not vegetarian
Allergens: Dairy, Shellfish, Gluten
Ingredient Substitutions
- Instead of Unsalted Butter: Margarine
- Instead of Andouille Sausage: Smoked sausage
- Instead of Crushed Tomatoes: Diced tomatoes
- Instead of Tomato Paste: Tomato puree
- Instead of Cajun Seasoning: Creole seasoning
- Instead of Garlic Powder: Fresh minced garlic
- Instead of Italian Seasoning: Dried oregano and basil mix
- Instead of Sugar: Honey
- Instead of Shrimp: Scallops
- Instead of Crawfish: Lobster meat
- Instead of Pepper Jack Cheese: Monterey Jack
- Instead of Mozzarella Cheese: Provolone
- Instead of Sharp Cheddar Cheese: Aged Cheddar
- Instead of Parmesan Cheese: Pecorino Romano
- Instead of Lasagna Noodles: No‑boil lasagna sheets
Equipment Needed
- Large Pot
- Skillet
- Baking Dish (9x13 inch)
- Aluminum Foil
- Wooden Spoon
- Knife
- Cutting Board
- Measuring Cups
- Cheese Grater (optional)
Critical Steps — Do Not Skip
- Brown the Andouille sausage fully for flavor
- Do not overcook the shrimp
- Cover with foil for the first 20 minutes to keep cheese from burning
- Let the lasagna rest before slicing
Chef Tips from the Video
- Use smoked Andouille sausage for deeper flavor
- Add a splash of white wine to the sauce before simmering for brightness
- Let the lasagna rest; it makes cleaner slices and improves flavor
Troubleshooting
Sauce is too watery
Simmer uncovered for an extra 5‑10 minutes to reduce, or add a tablespoon of tomato paste.
Lasagna is dry on top
Cover with foil for the full baking time or add a little extra sauce between layers.
Cheese does not melt
Make sure the oven is fully preheated to 350°F and bake uncovered for the final 10 minutes.
Storage
Refrigerator: Cover tightly and store up to 3 days
Freezer: Wrap well and freeze up to 2 months
Room temperature: Do not store at room temperature; can sit out up to 2 hours after cooking
Make-Ahead Tips
- Prepare the Cajun tomato sauce a day ahead and refrigerate
- Assemble the lasagna, cover, and refrigerate up to 24 hours before baking
- Freeze the unbaked lasagna wrapped tightly for later use
Frequently Asked Questions
What is the cultural significance and history of Seafood Cajun Lasagna in American Cajun cuisine?
Seafood Cajun Lasagna blends the classic Italian layered pasta with the bold, spicy flavors of Louisiana Cajun cooking, reflecting the region’s love for seafood and hearty comfort dishes. It’s a modern fusion that showcases the influence of French, Spanish, and African culinary traditions in Cajun culture.
What traditional regional variations of Cajun‑style lasagna exist in Louisiana cuisine?
In Louisiana, some cooks replace the tomato base with a roux‑based sauce, use local shellfish like crab or oyster, and add okra or bell peppers for extra texture. Others incorporate a touch of Creole mustard or hot sauce for additional heat.
How is Seafood Cajun Lasagna traditionally served in Cajun households?
It is typically served hot from the oven, accompanied by a simple green salad, crusty French bread, and sometimes a side of coleslaw. A cold beer or sweet tea is a common beverage pairing.
During what celebrations or gatherings is Seafood Cajun Lasagna commonly prepared in Cajun culture?
It often appears at family reunions, Mardi Gras parties, and holiday gatherings such as Thanksgiving or Christmas when a crowd‑pleasing, crowd‑friendly dish is needed.
What makes Seafood Cajun Lasagna special compared to traditional Italian lasagna in the broader American cuisine?
The use of Andouille sausage, shrimp, crawfish, and Cajun seasoning gives it a smoky, spicy profile that’s distinct from the herb‑and‑tomato focus of classic Italian lasagna, creating a unique fusion of textures and flavors.
What are the authentic traditional ingredients for Seafood Cajun Lasagna versus acceptable substitutes?
Authentic ingredients include smoked Andouille sausage, peeled shrimp, cooked crawfish tails, Cajun seasoning, and a blend of pepper jack, mozzarella, sharp cheddar, and Parmesan cheeses. Substitutes can be smoked sausage for Andouille, scallops for shrimp, or Monterey Jack for pepper jack without losing the dish’s character.
What other Cajun dishes pair well with Seafood Cajun Lasagna?
Pairs nicely with classic Cajun sides such as red beans and rice, corn maque choux, or a simple remoulade‑dressed green salad. A chilled glass of Riesling or a light lager balances the spice.
What are the most common mistakes to avoid when making Seafood Cajun Lasagna?
Common errors include overcooking the shrimp (making them rubbery), using too much sauce which makes the lasagna soggy, and skipping the foil cover for the first part of baking, which can cause the cheese to burn before the interior is cooked through.
Why does this Seafood Cajun Lasagna recipe use a 20‑minute covered bake followed by a 10‑minute uncovered bake?
Covering the lasagna traps steam, ensuring the noodles cook evenly and the cheese melts without browning too quickly. Removing the foil for the final 10 minutes allows the top cheese to develop a golden, bubbly crust.
Can I make Seafood Cajun Lasagna ahead of time and how should I store it before baking?
Yes. Prepare the sauce and assemble the lasagna up to the point of covering with foil, then refrigerate for up to 24 hours. Keep it tightly wrapped; bake directly from the fridge, adding a few extra minutes if needed.
What does the YouTube channel Ralphthebaker specialize in?
The YouTube channel Ralphthebaker specializes in approachable, step‑by‑step home baking and cooking tutorials that blend classic comfort foods with creative twists, often featuring detailed visual guides and practical kitchen tips.
How does the YouTube channel Ralphthebaker's approach to Cajun cooking differ from other Cajun cooking channels?
Ralphthebaker focuses on clear, concise instruction with a strong emphasis on technique and ingredient sourcing, often adapting traditional Cajun flavors into familiar American dishes like lasagna, whereas many other channels stick strictly to regional recipes.
Last updated: August 21, 2026
