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Crab Mac And Cheese

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Diane GoodmanBy Diane Goodman
Diane Goodman
Diane Goodman Food Writer

Diane’s passion for cooking and writing inspired her to open Diane Cooks, Inc., a private chef and boutique catering company, and to write 3 collections of food-themed short stories, The Genius of …

Expertise: Former owner of private chef & boutique catering company, Diane Cooks, Inc. View all posts →
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Crab Mac And Cheese: the ultimate fusion of comfort and luxury.

Creamy mac and cheese casserole with a crispy breadcrumb topping on a white plate.

We all have foods that we loved when we were kids, right? Hot dogs, PB&J, and grilled cheese, to longingly name a few. As we get older, however, and our tastes become more sophisticated, sometimes we abandon these childhood mainstays in favor of more grown-up dishes. But what happens when you recreate an iconic comfort food by adding an “adult” ingredient that elevates a favorite dish into the culinary stratosphere? Ladies and gentlemen: crab mac and cheese.

This is truly an ethereal dish. Sweet, plump pieces of buttery lump crabmeat folded into a super creamy, ultra-tangy, melty mac and cheese result in a luxe version of an old-time favorite. Crab mac and cheese is decadent yet elegant, and it is simply bursting with flavor. In this recipe, we’re not just adding a single upscale ingredient—the lump crabmeat—but a few more special items that make the dish sensational. The homemade sauce is made with whole milk, half-and-half, and two kinds of cheese: sharp cheddar and rich, nutty Gruyère. Then we cover the whole thing with butter-soaked panko breadcrumbs and bake it until all that marvelous cheesiness comes bubbling through the edges of the crispy, golden brown topping.

Seriously, crab mac and cheese is the best mash-up of iconic comfort food and high-end luxury. Like the childhood classic that inspired it, crab mac and cheese is destined to become a favorite. Not only is it a go-to dish for entertaining, but it’s also a great way to introduce some grown-up flavors to kids whose taste buds are beginning to evolve. Crabmeat is a sweet, mellow seafood that tastes delicious and has a very appealing mouthfeel on its own, but when it appears in a rich, velvety baked mac and cheese? Fuhgeddaboudit! Plus, every eater of every age is going to swoon over that super crispy, perfectly crunchy, and ultra-buttery crust.

Creamy milk, shredded cheese, cooked pasta, and seasonings for cheesy baked pasta dish.

Choosing crabmeat for crab mac and cheese

One of the most special things about this crab mac and cheese is getting big pieces of succulent, sweet crabmeat in every bite. For this reason, you want to use either jumbo lump or lump; either one works perfectly in this dish. Other types of crabmeat, such as backfin, special, or claw, are lovely and flavorful, but the pieces are much smaller than lump and so would not be the standout component we’re looking for in crab mac and cheese. Use backfin, special, or claw meat for things like dips, soups, and pasta sauces.

While you can get lump crab in a can, the pasteurization process does degrade the flavor and texture, so we recommend buying fresh. Fresh lump crabmeat is widely available in most grocery stores. Don’t forget to pick through it to remove any rogue pieces of shell that may have found their way in there during the process of extracting the meat.

Creamy cheese and shredded chicken pasta in a skillet, ready to be baked.

How do I store leftovers?

Cooled crab mac and cheese can be stored in an airtight container in the refrigerator for up to 3 days and in the freezer for up to 3 months. Thaw overnight in the fridge before reheating, preferably in the oven at 325°F for 15 minutes.

Creamy macaroni and cheese with crispy breadcrumb topping in a glass baking dish.

Serving suggestions

When you serve crab mac and cheese for a family dinner, pair it with your crew’s favorite salad (ours is always a toss-up between a simple Green Salad and this Kale Salad with almonds, dried cranberries, and Parmesan cheese). Up your salad game when you serve crab mac and cheese to guests with this Spinach Salad.

An entrée unto itself, crab mac and cheese goes beautifully with all sorts of vegetables. I love to serve it with Roasted Asparagus, Bacon-Wrapped Asparagus, or these Blue Cheese And Asparagus Rolls. Artichokes are also really wonderful with crab mac and cheese, whether you serve them baked, grilled, or fried.

Golden baked chicken casserole with crispy breadcrumb topping.
Creamy mac and cheese casserole with a crispy breadcrumb topping on a white plate.

Crab Mac And Cheese

Smiling woman with glasses and dark hair, professional portrait for Baked Bree website.Diane Goodman
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Prep Time 20 minutes mins
Cook Time 40 minutes mins
Cooling Time 5 minutes mins
Total Time 1 hour hr 5 minutes mins
Course Main Course
Cuisine American
Servings 8
Calories 786 kcal

Ingredients
  

  • 1 pound elbow macaroni
  • 1/3 cup unsalted butter
  • 1/3 cup all-purpose flour
  • 2 cups whole milk
  • 2 cups half-and-half cream
  • 3 cups shredded sharp cheddar cheese
  • 1 cup shredded Gruyère cheese
  • 3/4 teaspoon garlic powder
  • 3/4 teaspoon onion powder
  • 1/2 teaspoon paprika
  • 1/2 teaspoon salt
  • 1/4 teaspoon ground black pepper
  • 1 pound lump crab meat picked over for shells
  • 1 1/2 cups panko breadcrumbs
  • 3 tablespoons melted butter

Instructions
 

  • Preheat the oven to 350°F.
  • Cook the elbow macaroni according to the package instructions until al dente. Drain and set aside.
  • In a large pot, melt the butter over medium heat. Add the flour and whisk continuously for 2 minutes.
  • Gradually whisk in the milk and half-and-half until smooth. Continue cooking, stirring constantly, until the mixture thickens, about 5 minutes.
    Cream being poured into a mixing bowl with batter and milk, baking ingredients for cake or pastry.
  • Reduce the heat to low. Stir in the shredded cheddar and Gruyère cheeses until melted and smooth. Add garlic powder, onion powder, paprika, salt, and black pepper. Stir well. Taste the sauce and adjust the seasonings as needed.
  • Add the cooked macaroni and crab meat to the cheese sauce. Gently stir to combine.
    Creamy cheese and shredded chicken pasta in a skillet, ready to be baked.
  • Pour the macaroni and cheese mixture into a greased 9×13-inch baking dish.
    Creamy macaroni and cheese in a glass baking dish, ready to bake or serve.
  • In a small bowl, mix the panko breadcrumbs with the melted butter until evenly coated.
  • Sprinkle the breadcrumb mixture evenly over the top of the macaroni and cheese.
  • Bake in the preheated oven for 30-40 minutes, or until the top is golden brown and the edges are bubbly.
  • Let the mac and cheese cool for 5 minutes before serving.

Nutrition

Calories: 786kcalCarbohydrates: 61gProtein: 39gFat: 42gSaturated Fat: 25gSodium: 1195mgFiber: 3g
Keyword Crab Mac and Cheese
Tried this recipe?Let us know how it was!
Smiling woman with glasses and dark hair, professional portrait for Baked Bree website.

About Diane Goodman

Diane’s passion for cooking and writing inspired her to open Diane Cooks, Inc., a private chef and boutique catering company, and to write 3 collections of food-themed short stories, The Genius of Hunger, The Plated Heart, and Party Girls, all featuring characters who are chefs, waiters, caterers, grocery shoppers, home cooks, and people throwing parties.

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Published: Aug 4, 2025 | Updated: Feb 19, 2026

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