The BEST Lobster Mac and Cheese Recipe

This Lobster Mac and Cheese Recipe combines tender lobster, cavatappi pasta, a rich four-cheese sauce, and buttery panko breadcrumbs in a baked comfort-food dish made for holidays, gatherings, or a special dinner.

Mild cheddar, Monterey Jack, Gruyere, and Parmesan each contribute something different to the sauce, while the lobster is cooked separately before being folded into the pasta so it does not spend too long in the oven.

If seafood pasta is what you are craving but you want something much quicker, this Easy Shrimp Scampi Pasta uses shrimp, butter, and pasta for a lighter weeknight option.

Lobster Mac and Cheese Recipe Ingredients

For the Lobster

• 5 lobster tails, or up to 6 for a meatier dish
• 2 tablespoons unsalted butter, melted
• 1½–2 teaspoons Cajun seasoning

For the Pasta

• 8 cups water
• 1 pound cavatappi pasta

For the Cheese Sauce

• 1½ cups shredded mild cheddar
• 1½ cups shredded Monterey Jack
• 1½ cups shredded Gruyere
• ⅔ cup shredded Parmesan cheese
• 1 teaspoon olive oil
• 2 teaspoons minced garlic
• 3 tablespoons unsalted butter
• ½ cup all-purpose flour
• 2¼ cups heavy cream, room temperature
• 2¼ cups whole milk, room temperature
• 2 teaspoons onion powder
• 2 teaspoons garlic powder
• ¾ teaspoon dry mustard
• ½ teaspoon smoked paprika
• ¼ teaspoon cayenne powder
• Salt and pepper, to taste

For Assembly

• 2 large eggs, beaten
• 1 tablespoon unsalted butter
• 2 tablespoons unsalted butter, melted for the topping
• ½ cup panko breadcrumbs
• Chopped parsley, for garnish

For another cheese-forward dinner with a crisp topping, LongHorn Steakhouse Parmesan Crusted Chicken uses Parmesan in a completely different main dish.

How to Prepare the Lobster

Preheat the oven to 450°F.

Cut the lobster tails in half vertically and arrange them on a foil-lined baking sheet.

Brush the lobster with 2 tablespoons melted butter, then sprinkle with 1½ to 2 teaspoons Cajun seasoning.

Bake for about 10 minutes, until the lobster develops color and the meat becomes firm and slightly opaque.

Remove the lobster meat from the shells and roughly chop it into large pieces.

Pour the remaining seasoned butter from the baking sheet over the chopped lobster and set it aside.

Lower the oven temperature to 375°F.

Cook the Pasta

Bring the water to a boil, season it with salt, and cook the 1 pound cavatappi according to the package directions until al dente.

Drain the pasta and set it aside. Avoid overcooking it because the cavatappi will continue cooking after the casserole goes into the oven.

If you want a pasta dish that can be served cold instead, Really Good Pasta Salad works better for potlucks and make-ahead meals.

Make the Four-Cheese Sauce

Toss the cheddar, Monterey Jack, Gruyere, and Parmesan together in a large bowl.

Heat 1 teaspoon olive oil in a large pot over medium-high heat.

Add the minced garlic and cook for about 1 minute, then add 3 tablespoons butter and let it melt.

Quickly whisk in the ½ cup flour and cook for approximately 1 minute.

Gradually pour in the room-temperature heavy cream and whole milk while whisking continuously.

Add the onion powder, garlic powder, dry mustard, smoked paprika, cayenne, salt, and pepper.

Stir in half of the shredded cheese mixture and continue stirring until melted and smooth. Turn off the heat once the cheese has melted.

Freshly grated cheese is particularly useful here because it melts more smoothly. The same cheese-heavy comfort-food idea appears in these Garlic Cheese Stuffed Rolls, where melted cheese is paired with bread rather than pasta.

Assemble and Bake the Lobster Mac and Cheese Recipe

Transfer the cooked pasta to a 9×13-inch baking dish.

Stir in the beaten eggs and 1 tablespoon butter.

Pour in as much cheese sauce as desired. The source recommends using all of it for an especially cheesy result.

Add half of the lobster and mix it thoroughly through the pasta.

Spread the remaining lobster over the top, then add the remaining shredded cheese while leaving some lobster visible.

Melt the final 2 tablespoons butter and toss it with the ½ cup panko breadcrumbs.

Sprinkle the breadcrumbs over the casserole, again leaving some of the lobster visible.

Bake at 375°F for 27–35 minutes, until the top is golden and the sauce is bubbling.

Let the Lobster Mac and Cheese Recipe rest for 10 minutes before serving, then garnish with chopped parsley.

If you prefer a hands-off pasta dinner instead of an oven-baked casserole, Crockpot Lasagna uses the slow cooker for a different kind of comfort meal.

Tips for Lobster Mac and Cheese Recipe

• Cook the pasta al dente. It will continue cooking during the final bake.
• Do not overcook the lobster. The lobster cooks once before assembly and again when the casserole bakes.
• Shred cheese from blocks. The source recommends avoiding pre-shredded cheese because it does not melt as smoothly.
• Use room-temperature milk and cream. This helps them incorporate more smoothly into the roux.
• Keep whisking the sauce. Gradually adding the dairy helps prevent lumps.
• Taste the sauce before assembly. Adjust salt, pepper, paprika, or garlic before it goes into the baking dish.
• Rest for 10 minutes. This gives the cheese sauce time to settle before serving.

For another creamy dinner with a very different cooking method, Crockpot Chicken Corn Chowder turns dairy and savory ingredients into a slow-cooked soup rather than a baked pasta dish.

Serving Ideas

Because Lobster Mac and Cheese is already rich, it pairs naturally with a lighter salad, roasted vegetables, or a simple green side.

For a larger casual dinner, Slow Cooker BBQ Chicken can provide a meat-based main while the lobster mac and cheese is served in smaller portions as a rich side dish.

If you want another seafood-centered option at the table, Easy Shrimp Scampi Pasta keeps the seafood theme but uses a lighter butter-based sauce instead of a four-cheese sauce.

Storage and Reheating

Store leftover Lobster Mac and Cheese in an airtight container in the refrigerator for up to 3 days.

To reheat a larger portion, place it in an oven-safe dish, cover with foil, and heat at 350°F for 20–25 minutes, or until heated through.

Individual portions can also be reheated in the microwave. Adding a small splash of milk or cream can help loosen the cheese sauce.

If you want the topping crisp again, remove the foil for the final few minutes of oven reheating.

The source also allows the unbaked assembled casserole to be frozen for up to 2 months. Thaw it overnight in the refrigerator before baking.

For general handling and reheating of leftovers, follow the USDA leftovers and food-safety guidance.

Frequently Asked Questions

Can I use gluten-free pasta?

Yes. Substitute the cavatappi with gluten-free pasta and follow the package directions, cooking it only until al dente before draining.

Can I use frozen lobster tails?

Yes. Thaw frozen lobster tails completely in the refrigerator before preparing the recipe so they cook evenly.

Can I make this recipe ahead of time?

Yes. Assemble the Lobster Mac and Cheese Recipe up to the baking stage and refrigerate it for up to 24 hours. Before baking, let it sit at room temperature for about 30 minutes. It may need a few additional minutes in the oven.

Why is my cheese sauce grainy?

Using pre-shredded cheese or overheating the sauce can contribute to a grainy texture. Shred cheese from blocks and melt it gently while stirring rather than boiling the cheese sauce.

Can I add other ingredients?

The source suggests optional additions such as bacon, smoked Gouda, or truffle oil, while recommending that additions remain subtle enough not to overpower the lobster.

Lobster Mac and Cheese Recipe

Print Recipe

This Lobster Mac and Cheese recipe features a creamy decadent sauce made with four cheeses and tender chunks of lobster baked together with pasta to gooey perfection.

• Author: Maya Collins
• Prep Time: 45 mins
• Cook Time: 35 mins
• Total Time: 80 mins
• Yield: 14, 14 servings 1x
• Method: Main Course, Side Dish
• Cuisine: American

Ingredients

Scale 1x2x3x

• 5 lobster tails (Go up to 6 tails if you want it super meaty)
• 10 tbsp unsalted butter (divided)
• 1 1/2–2 tsp cajun seasoning
• 8 cups water
• 1 lb cavatappi pasta
• 1 1/2 cup shredded mild cheddar
• 1 1/2 cup shredded monterey jack
• 1 1/2 cup shredded gruyere
• 2/3 cup shredded parmesan cheese
• 1 tsp olive oil
• 2 tsp minced garlic
• 1/2 cup all purpose flour
• 2 1/4 cup heavy cream (room temp)
• 2 1/4 cup whole milk (room temp)
• 2 tsp onion powder
• 2 tsp garlic powder
• 3/4 tsp dry mustard
• 1/2 tsp smoked paprika
• 1/4 tsp cayenne powder
• 2 large eggs (beaten)
• 1/2 cup panko crumbs
• Chopped parsley (for garnish)

Instructions

1. Preheat oven to 450 degrees. Cut lobster tails in half vertically and place on a foil lined baking sheet.
2. Melt 2 tablespoons of butter and brush the tops of lobster tails with butter then sprinkle with cajun seasoning.
3. Bake for 10 minutes or until they develop a beautiful color then remove from shells. Roughly chop lobster into large chunks in a medium sized bowl and pour remaining butter from the baking sheet over the lobster and set aside.
4. Lower temperature on oven to 375 degrees.
5. Next add water in a large pot along with some salt and boil pasta according to the package. Drain and set aside.
6. Toss all shredded cheeses together in a large bowl and set aside.
7. Add olive oil to pan and heat over medium high heat. Add garlic and cook for 1 minute then add 3 more tablespoons of butter to the pan and allow to melt down.
8. Quickly whisk in flour and cook for approximately 1 minute.
9. Pour in heavy cream and whole milk continuing to whisk.
10. Next add onion powder , garlic powder, dry mustard, paprika and cayenne continuing to whisk.
11. Season with salt and pepper to taste.
12. Stir in half of shredded cheeses and allow them to melt continuing to stir. Once cheese melts down, turn off heat.
13. Add pasta to a 9×13 inch baking dish and stir in beaten eggs and 1 tablespoon of butter.
14. Next pour as much of the cheese sauce as you would like (for super cheesy, use it all) and half of the lobster to the pasta and mix super well.
15. Next spread remaining lobster over top of mac and cheese. Top with remaining shredded cheeses leaving the lobster pieces bare so they will be seen once baked. P.S. Add extra shredded cheese to the top of this dish if you want it to be super cheesy and have all the cheese pulls.
16. Finally in a small bowl, melt remaining 2 tablespoons of butter and add breadcrumbs and toss together.
17. Sprinkle breadcrumbs over the top leaving the lobster mostly bare so it peeks through and bake at 375 for 27-35 minutes.
18. Rest for 10 minutes, sprinkle with parsley then serve.

Nutrition

• Calories: 578 kcal
• Sugar: 3 g
• Fat: 39 g
• Carbohydrates: 33 g
• Protein: 24 g