Lobster Macaroni and Cheese
Peer reviewed by UK recipe editorsAuthored by UK recipe editorsOriginally published 17 Jan 2026
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This luxury lobster macaroni and cheese is the ultimate indulgence for seafood lovers. Combining succulent lobster, juicy prawns, and fresh crabmeat, this dish elevates a humble classic into a sophisticated, high-protein meal. The secret lies in the homemade seafood stock, enriched with Cognac and tomato purée, which creates a deeply savoury base for the velvety Fontina cheese sauce. Each mouthful offers a delicate balance of sweet shellfish and creamy, melted cheese.
Perfect for an impressive dinner party or a special weekend treat, this recipe uses shell pasta to capture every drop of the rich sauce. Using high-quality ingredients like fresh lobster and whipping cream ensures a restaurant-standard finish at home. Serve this comforting yet elegant dish with a crisp green salad and a glass of chilled white wine to complement the delicate flavours of the sea.
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Ingredients for Lobster Macaroni and Cheese
1 1 3/4- to 900g live lobster
2 tablespoons olive oil, divided
12 large prawns, peeled, deveined, shells reserved
130g chopped onion
100g chopped peeled carrots
100g chopped celery
2 garlic cloves, peeled, flattened
1 Turkish bay leaf
1 tablespoon tomato paste
60ml Cognac or brandy
725ml water
60ml (1/2 stick) butter, divided
2 tablespoons plain flour
240ml whipping cream
350ml grated Fontina cheese (about 170g )
230g shell or gemelli pasta
170g fresh crabmeat, picked over
2 tablespoons chopped fresh chives
How to make Lobster Macaroni and Cheese
Plunge lobster headfirst into pot of boiling water; boil 4 minutes. Using tongs, transfer to cutting board. Cut off tail and claws. Crack tail and claws and remove meat. Cut meat into 1/2-inch pieces. Cut body and shells into 2-inch pieces. Chill meat; reserve shells.
Heat 1 tablespoon oil in heavy large skillet over medium-high heat. Add lobster body, lobster shells, and prawns shells to skillet and sauté 4 minutes. Add onion and next 4 ingredients; sauté 6 minutes. Add tomato paste; stir 1 minute. Remove from heat; stir in Cognac. Add 725ml water; bring to boil. Reduce heat, cover, and simmer 30 minutes.
Strain mixture into bowl, pressing on solids to extract liquid; discard solids. Set stock aside. Heat 1 tablespoon oil in same skillet over medium-high heat. Add prawns; sauté until just opaque in centre, about 3 minutes. Cool slightly. Coarsely chop prawns.
Melt 2 tablespoons butter in large saucepan over medium heat. Add flour; stir 1 minute. Add stock and cream; simmer until sauce is reduced to 475ml , about 5 minutes. Add cheese; stir until smooth. Season with salt and pepper. Remove from heat.
Meanwhile, cook pasta in large pot of boiling salted water until just tender but still firm to bite. Drain. Stir lobster, prawns, pasta, crab, and 2 tablespoons butter into sauce. Stir over medium-low heat until heated through, about 2 minutes. Season with salt and pepper. Serve topped with chives.
Disclaimer
While every effort has been made to ensure the information is accurate and up to date, individual needs may vary and dietary requirements can differ based on personal health conditions. Always check food labels and allergen information before preparing or consuming any recipe. If you have specific health concerns, allergies, intolerances, or are following a medically prescribed diet, seek advice from your GP, pharmacist, or a registered dietitian before making significant changes to your diet or lifestyle.
Article history
The information on this page is peer reviewed by qualified clinicians.
17 Jan 2026 | Originally published
Authored by:
UK recipe editors
Peer reviewed by
UK recipe editors

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