Morton's Lobster Mac and Cheese Recipe (Copycat) | Easy Guide

On 4/8/2026, 3:37:13 AM

Make Morton's famous lobster mac and cheese at home with this copycat recipe. Cavatappi pasta, real lobster meat, and three-cheese sauce recreate the steakhouse classic.

Table of Contents

Morton's lobster mac and cheese stands out as the ultimate steakhouse side dish.

Real butter-poached claw and knuckle meat combines with a three-cheese sauce of sharp cheddar, gruyère, and parmesan.

Cavatappi pasta traps the rich sauce while buttered panko breadcrumbs add essential crunch.

This guide details exactly how to recreate the restaurant version at home using premium ingredients and precise techniques.

You will learn to build a blonde roux, butter-poach lobster without overcooking, and bake until golden and bubbly.

The dish serves perfectly alongside dry-aged steak or as a decadent standalone entrée.

Question

Answer

What type of lobster does Morton's use in their mac and cheese?

Morton's uses real butter-poached claw and knuckle meat from Atlantic lobster, never imitation flakes or langostino.

Which three cheeses create the signature sauce?

Sharp cheddar provides tang and color, gruyère adds nutty richness, and parmesan contributes salt and umami depth.

Why does the recipe specify cavatappi pasta?

The spiral tubes trap cheese sauce and lobster chunks inside every forkful for perfect distribution.

How do you prevent the lobster from turning rubbery?

Butter-poach the meat just until warmed through and remove it immediately before it turns fully opaque white.

Can you freeze leftover lobster mac and cheese?

Do not freeze the dish because the dairy-based sauce separates and turns grainy upon thawing.

What makes Morton's lobster mac and cheese the ultimate steakhouse side dish

Real lobster dominates every bite

Morton's packs claw and knuckle meat into this side. No imitation flakes. No skimpy portions. Butter-poached chunks stay tender and sweet. They stand up to bold cheese without turning rubbery.

Three-cheese sauce delivers depth

Sharp cheddar brings tang. Gruyère adds nutty richness. Parmesan contributes salt and umami. Together they coat cavatappi pasta without graininess. The kitchen builds fresh roux per batch. No steam-table béchamel here.

Element

Function

Cavatappi pasta

Spiral tubes trap sauce and lobster in every forkful

Butter-poached lobster

Maintains tender texture, amplifies sweetness

Panko breadcrumb topping

Creates crunch contrast against creamy base

Shareable format

Serves 2-4 diners as a social luxury side

Shellfish-enriched roux

Adds ocean depth that pre-shredded cheese lacks

Built for steak pairing

This side cuts through dry-aged beef fat. The pasta fills gaps between meat bites. At $20-30, it bridges the gap between basic mashed potatoes and full lobster entrees. Diners split it to upgrade standard steak dinners without doubling the bill.

The texture balance

Morton's bakes until golden on top but keeps the interior loose. Most home versions dry out or turn soupy. They nail the sweet spot: sauce clings to pasta instead of pooling at the bottom. Line cooks monitor oven timing precisely to prevent broken, oily sauce.

Gather these premium ingredients for authentic restaurant flavor at home

The lobster

Buy 1 to 1.5 pounds cooked claw and knuckle meat. Tail meat works but claws hold sauce better. Fresh beats frozen but thawed works if patted dry. Avoid langostino or imitation chunks. Morton's uses real Atlantic lobster.

The pasta

Grab 1 pound cavatappi. The spiral tubes trap cheese sauce inside. Elbow macaroni works as backup but lacks the signature chew and sauce retention. Cook 2 minutes under package directions. They finish in the oven.

The cheese blend

  • Sharp cheddar (8 oz): provides tang and orange color
  • Gruyère (6 oz): adds nutty depth and superior melt
  • Parmesan (2 oz): delivers salty finish and umami
  • Optional: 2 oz cream cheese for extra silkiness

Component

Amount

Quality note

Unsalted butter

4 tablespoons

European style higher fat content preferred

All-purpose flour

2 tablespoons

Bleached works fine for roux

Whole milk

2 cups

Do not use skim. Half-and-half acceptable substitute

Lobster stock

1/2 cup

Reserved shells boiled in water, or store-bought

Panko breadcrumbs

1/2 cup

Japanese style, not fine crumbs

Melted butter (topping)

2 tablespoons

Mix with panko for golden crust

Seasoning essentials

Kosher salt and white pepper build base flavor. White pepper hides visually unlike black specks. Add pinch cayenne or smoked paprika for subtle heat. Fresh chives or parsley garnish at service. Skip garlic powder. Morton's keeps it clean to highlight shellfish sweetness.

Hardware needs

Large pot for pasta. Heavy saucepan for roux. 9x13 baking dish or 12-inch oven-safe skillet. Morton's serves in individual crocks or shared casserole. Either works at home.

Build the perfect three-cheese sauce with butter-poached lobster meat

Start with a blonde roux

Melt 4 tablespoons butter in heavy saucepan over medium heat. Whisk in 2 tablespoons flour. Cook 2 minutes stirring constantly. Mixture turns pale gold and smells nutty. Do not brown. This thickens without adding color. Raw flour taste ruins the sauce. Use a flat whisk to reach pan corners.

Build the liquid base

Warm 2 cups whole milk and 1/2 cup lobster stock in separate pot until steaming. Hot liquid prevents roux seizing. Pour into roux in slow stream while whisking vigorously. Switch to wooden spoon when thick. Simmer 3 minutes until coating consistency. Sauce should cling to spoon back and leave trail when finger swiped.

Melt the cheese blend

Remove pot from heat. Add cheeses in order: gruyère first for superior melt, then sharp cheddar for tang and color, finally parmesan for salt and umami. Stir until smooth. If grainy, return to low heat briefly. Never boil. Sauce should coat spoon heavily and drip slowly. Season with salt, white pepper, pinch cayenne.

Stage

Heat level

Time

Visual cue

Roux

Medium

2 min

Pale gold, bubbling gently

Add liquid

Medium-low

3 min

Thickens to heavy cream consistency

Add cheese

Off/low

2-3 min

Smooth, glossy, no strings

Hold warm

Low

Up to 10 min

Loose enough to pour, skin forming on top

Butter-poach the lobster

Melt 2 tablespoons butter in skillet over medium-low. Add cooked lobster meat in single layer. Warm 2 minutes until just heated through. Do not sauté or brown. Butter should pool around meat. Remove immediately if lobster turns opaque white throughout. Overcooking makes it rubbery and stringy. Fold warm lobster into cheese sauce gently to avoid breaking chunks into shreds.

Fold in the pasta

Dump undercooked cavatappi into sauce pot. Stir to coat every spiral. If sauce seems tight, splash in reserved pasta water or warm milk. Mixture should look slightly loose. It tightens in the oven. Work quickly while sauce is hot to prevent skin formation.

Top with buttered breadcrumbs and bake until golden and bubbly

Mix the crumb topping

Combine 1/2 cup panko breadcrumbs with 2 tablespoons melted butter. Stir until crumbs turn sandy and clump slightly. Add pinch salt and 2 tablespoons grated parmesan for extra crunch and flavor. Mixture should look like wet sand. Set aside. Do not use fine breadcrumbs. They burn before turning golden.

Assemble the dish

Transfer lobster-pasta mixture to buttered 9x13 baking dish. Spread evenly but do not pack down. Surface should have slight texture to catch crumbs. Sprinkle buttered panko mixture across top in even layer. Cover every inch. Gaps expose sauce to direct heat and create dry spots. Press crumbs gently so they adhere but do not bury them in the pasta.

Component

Placement

Depth

Pasta base

Even layer in dish

1.5 to 2 inches

Crumb topping

Full coverage on surface

1/4 inch loose layer

Air gaps

Avoid packing

Natural settling only

Bake to perfection

Slide into 375°F oven on center rack. Bake uncovered 15 to 20 minutes. Watch through door. Crumbs turn deep gold at edges first. Pull when center shows light brown and sauce bubbles up through cracks. Internal temperature hits 165°F. Do not overbake. Sauce continues thickening during rest. Edges should bubble actively when removed.

The rest period

Let stand 5 minutes before serving. Sauce sets slightly. Temperature drops to edible range. Crumbs stay crisp longer. Cut into squares or scoop with large spoon. Serve immediately in warmed bowls. Top with fresh chives or parsley if desired. The contrast between hot creamy interior and crunchy buttered top defines the steakhouse experience.

Serve immediately alongside steak or as a decadent standalone meal

Classic steakhouse pairing

Place the baking dish center table for family-style sharing. Scoop 1 cup portions alongside dry-aged ribeye or filet mignon. The cheese sauce cuts through beef fat while pasta fills gaps between meat bites. Morton's designed this as a shareable side for 2-4 diners. Splitting keeps the steak as the main event while adding luxury.

Standalone entrée presentation

Portion into large shallow bowls for main course service. Top with extra lobster claw meat for visual impact. Add simple arugula salad with lemon vinaigrette to cut richness. Serve with crusty bread for sauce cleanup. One recipe feeds 4 as entrée or 6-8 as side dish.

Service style

Portion per person

Ideal pairing

Steakhouse side

1 cup

Filet mignon, Cabernet Sauvignon

Main course

2 cups

Arugula salad, Chardonnay

First course

1/2 cup in ramekin

Champagne, oysters

Beverage matches

Select full-bodied oaked Chardonnay or white Burgundy. The wine needs weight to match butter and cheese. Light Pinot Grigio disappears. For red wine drinkers, choose Pinot Noir or light Merlot. Sparkling wine or Champagne effectively scrubs the palate between bites. Serve non-alcoholic sparkling cider as alternative.

Storage realities

Leftovers hold 2 days refrigerated. Reheat covered with splash of milk to restore sauce consistency. Crumb topping softens in microwave. Use 350°F oven for 15 minutes to recrisp. Do not freeze. Dairy-based sauce separates and turns grainy upon thawing. Morton's prepares this fresh per order for texture reasons.