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Dinner · Part 1 of 3: Ingredients

Ultimate Seafood Mac and Cheese Bake with Shrimp and Crab

A steaming scoop of seafood mac and cheese with a dramatic cheese pull, loaded with shrimp and macaroni.
Prep
Cook
Total
Serves
8
Includes 10 min resting

Elevate your comfort food game with this spectacular seafood mac and cheese bake. Featuring a rich, velvety cheese sauce, tender elbow macaroni, sweet crab meat, and succulent seasoned jumbo shrimp, this dish brings luxury right to your dinner table. It is the perfect centerpiece for holiday gatherings, special family dinners, or any evening when you want to treat your loved ones to something truly extraordinary.

Creating a masterpiece like this seafood mac and cheese does not require professional culinary training. By combining high-quality seafood with a classic, velvety cheese sauce, you get a casserole that is incredibly rich, flavorful, and deeply satisfying.

Every single spoonful delivers a perfect balance of tender pasta, sweet crab, and savory shrimp, all enveloped in a molten blanket of melted cheese. This recipe is designed to deliver maximum flavor and foolproof results every time.

Ingredients

Makes 8 servings · serves 8
  • 16 oz elbow macaroni
  • 3 cups velvety cheese sauce, store-bought or made ahead
  • 8 oz crab meat
  • 1 tbsp seasoning
  • 1 lb jumbo shrimp, peeled and deveined
  • 2 cups shredded cheese
  • 2 tbsp chopped fresh herbs
Contains: gluten, milk, crustaceans

Why this recipe works

The secret to this recipe's success lies in the dual-method approach to cooking the seafood. Folding the delicate crab meat directly into the warm velvety cheese sauce ensures it stays tender and moist without becoming rubbery.

Meanwhile, placing the raw, seasoned jumbo shrimp on top of the casserole allows them to bake perfectly in the oven's ambient heat, absorbing the rich flavors of the melting cheese while remaining incredibly juicy and plump.

Ready to start cooking right away??? Jump to Part 2 ? Step-by-Step Method ?

Additionally, using a high-quality cheese sauce and extra shredded cheese creates a complex flavor profile that complements the sweet seafood beautifully.

The cheese provides that classic, tangy punch that everyone loves in macaroni, while offering a sophisticated, gooey melt. Baking the dish in a shallow aluminum pan ensures an optimal ratio of crispy, golden-brown edges to creamy, saucy interior in every single serving.

Notes and substitutions

When selecting ingredients, prioritize fresh, high-quality seafood for the best results. Crab meat is ideal because it offers sweet pieces that stand up well to the heavy cheese sauce.

For the shrimp, jumbo size is preferred so they cook at the exact same rate the cheese melts and bubbles. If jumbo shrimp are unavailable, large shrimp can work, but you may need to reduce the baking time slightly to avoid overcooking them.

For the absolute smoothest texture, ensure your velvety cheese sauce is completely warm and smooth before folding in the pasta. A standard aluminum baking pan works beautifully for this recipe, distributing heat evenly for a perfect, bubbling bake. You can use any favorite seasoning blend to coat the shrimp, adding a personalized touch of spice and flavor to the final dish.

  • crab meat: Chopped cooked lobster meat or imitation crab can be used as an alternative.
  • velvety cheese sauce: A homemade Mornay sauce or any high-quality store-bought cheese sauce works perfectly.

Equipment

  • large pot
  • colander
  • medium bowls
  • rubber spatula
  • aluminum baking pan
  • digital meat thermometer

Coming up in Part 2: the method

  1. Pasta and Seafood Prep · 2 stepsCook the Macaroni · Season the Shrimp
  2. Sauce and Assembly · 1 stepFold in the Crab and Sauce
  3. Baking and Garnishing · 3 stepsAssemble the Bake · Top and Bake the Casserole · Garnish and Rest

Up next · Part 2 of 3

6 steps · 30 min of cooking · what to look for at each stage

Step-by-step instructions (Part 2)