Skillet lobster mac and cheese is a luxurious yet comforting dish that brings together rich cheese sauce, tender lobster, and golden, crunchy topping. It’s an ideal way to elevate a weeknight meal or to transform leftover lobster into something special. If you have extra steamed lobster or frozen lobster tails, this recipe is an excellent use for them—frozen tails thaw and steam easily without creating a mess.
If you enjoy variations on mac and cheese, consider bold options like buffalo chicken or seasonal additions such as roasted butternut squash. You can also adapt this skillet method for other baked pasta dishes when you want to lighten up the cheese or change the flavor profile.
How to Steam Lobster Tails
Fresh or frozen lobster tails are readily available and simple to cook. To steam lobster tails, fill a medium-sized pot with about 1 inch of water and bring it to a boil. Add the lobster tails, cover the pot, and simmer for 8–10 minutes. Once cooked, use kitchen shears to cut or crack the shell and remove the meat, then chop it into bite-sized pieces. Always fully thaw frozen lobster before steaming for even cooking.
Best Cheese for Lobster Mac and Cheese
The choice of cheese defines the character of this dish. A blend of sharp cheddar with a creamier, meltable cheese creates depth and a silky texture. I recommend a combination of sharp white cheddar and a smoother cheese like fontina or gruyère to balance tang and creaminess. Aim for about 20 ounces total—roughly 4 cups of lightly packed shredded cheese.
- 8 ounces sharp white cheddar (e.g., Cabot Seriously Sharp)
- 8 ounces sharp cheddar (Vermont or similar)
- 4 ounces fontina or gruyère, shredded
The sharp cheddars give the dish a gourmet feel while the fontina or gruyère smooths and rounds the sauce.
How to Make a Roux
The roux is the most important and slightly technical part of the recipe. It creates the base that thickens and stabilizes the cheese sauce. Prepare the roux directly in a cast-iron or ovenproof skillet so you can finish the dish in the oven without transferring it.
- Melt butter in the skillet over medium heat. Gradually whisk in all-purpose flour until it forms a smooth paste. Cook for about one to two minutes while whisking constantly; the roux should turn a light golden color but not burn.
- Slowly whisk in warm milk, one cup at a time, whisking continuously to avoid lumps. Continue until the sauce thickens and just begins to bubble. The texture will first resemble very creamy mashed potatoes and then loosen into a silky sauce ready for cheese.
Shredded Cheese Melts Best
Use freshly shredded cheese whenever possible. Pre-shredded cheese often contains anti-caking agents that can interfere with melting. Shredded cheese melts quickly and evenly in the hot roux; cubed cheese takes longer and can lead to grainy or separated sauce. Reserve about 1/2 cup of shredded cheese to sprinkle on top before baking.
Once the sauce is smooth, stir in the cooked macaroni and lobster chunks so everything is evenly coated. Top with the reserved cheese and a generous layer of crushed croutons—garlic butter croutons work particularly well—to add a crisp, flavorful finish. Bake until the topping is golden and the sauce is bubbling around the edges.
More Recipes You’ll Love
Steak and Lobster Tails: Surf and Turf for Two
Mussels in Red Sauce
Baked Lobster Tails Recipe
Lemon Butter Scallops Over Parmesan Risotto
If you try this recipe, please leave a star rating and a comment to share your experience.
Skillet Lobster Mac and Cheese Recipe
Ingredients
- 3 cups elbow macaroni
- 3 lobster tails, fully cooked and chopped (about 1–2 cups lobster meat)
- 1/3 cup butter
- 1/3 cup all-purpose flour
- 3 cups warm milk
- 8 ounces sharp cheddar, shredded
- 8 ounces sharp cheddar (or mild), shredded
- 4 ounces fontina or gruyère, shredded
- 2 cups whole croutons, crushed (garlic butter flavored preferred)
Instructions
Steaming lobster
- Fill a medium lidded pot with about 1 inch of water and bring to a boil. Add lobster tails, cover, and simmer for 8–10 minutes. Remove and cool slightly, then cut or crack shells and chop lobster into bite-sized pieces. Thaw frozen lobster completely before steaming.
Mac and cheese
- Preheat the oven to 375 °F (190 °C).
- Bring a large pot of salted water to a boil. Cook the elbow macaroni until al dente, drain, and set aside.
- In an ovenproof skillet, melt the butter over medium-low heat. Whisk in the flour gradually until a smooth roux forms, about 1–2 minutes. Keep whisking to prevent burning.
- Slowly whisk in warm milk, one cup at a time, until the sauce thickens and just begins to bubble. Continue whisking to keep the sauce smooth and lump-free.
- Reserve 1/2 cup of shredded cheese for the topping. Add half of the remaining cheese to the skillet and whisk until mostly melted and creamy. Add the rest of the cheese and whisk until smooth.
- Stir in the cooked macaroni and chopped lobster until evenly coated. Sprinkle the reserved 1/2 cup of cheese evenly over the top, then add the crushed croutons.
- Bake for about 10 minutes, or until the croutons are golden and the sauce is bubbling around the edges. Serve immediately.
Notes
This recipe uses roughly 20 ounces of cheese total. A standard block is usually 8 ounces, and you want about 4 cups of shredded cheese lightly packed. A little extra cheese is fine if you prefer a richer result.
Nutrition (approximate per serving)
Calories: 808 kcal • Carbohydrates: 51.4 g • Protein: 44.4 g • Fat: 46.1 g • Saturated Fat: 27.2 g • Cholesterol: 204 mg • Sodium: 1169 mg • Fiber: 2.2 g • Sugar: 8 g
Nutrition information is automatically calculated and should be used as an estimate.
Additional Info
Course: Dinner
Cuisine: American