
This Seafood Mac and Cheese Bake is the perfect dish when you want to impress with a creamy, comforting meal packed with seafood flavor. Macaroni melds beautifully with shrimp, crab, and crawfish tails enveloped in a luscious cheese sauce made silky with heavy cream and bursting with bold seasoning. It’s ideal for family feasts or gatherings where you want everyone asking for seconds.
I remember the first time I brought this to a family gathering everyone loved it and it vanished quickly. Now it’s my go to dish for potlucks because it’s always a hit.
Ingredients
- Macaroni noodles: to hold the sauce well pick a sturdy brand that stays tender without getting mushy
- Velveeta cheese: for a smooth creamy melt classic and comforting
- Colby Jack cheese: adds a gooey texture and subtle flavor go for freshly shredded for best results
- Heavy whipping cream: makes the sauce silky and rich use the freshest cream you can find
- Unsalted butter: lets you manage the salt levels and adds a rich flavor
- Cream of chicken soup: adds body and savory notes choose a low-sodium variety if you want to control salt
- Jumbo shrimp: peeled and deveined for ease and robust flavor wild caught if possible
- Lump crab meat: brings sweet richness drain it well to avoid watery bake
- Crawfish tails: add authentic Southern flair be sure they are thawed and rinsed thoroughly for creaminess
- Seafood seasoning: like Kinders boosts all seafood flavors pick your favorite blend and taste before adding salt
- Cajun seasoning: provides heat and a Southern kick use a classic or homemade blend for depth
- Garlic powder: rounds out the savory profile fresh powder offers the best aroma
- Accent flavor enhancer: optional for umami boost go light and taste as you go
- Black pepper: adds warmth and balance freshly ground is best
- Chopped parsley: used as a garnish adds fresh color pick bright greens
Instructions
- Make the Cheese Sauce:
- In a saucepan over low heat combine heavy whipping cream cream of chicken soup and cubed Velveeta cheese Stir continuously for about ten minutes until the cheese melts completely and the sauce becomes smooth and silky This slow melting builds a rich velvety sauce base
- Season the Sauce:
- Add seafood seasoning Cajun seasoning garlic powder accent flavor enhancer and black pepper to the sauce Mix well so all the spices are evenly incorporated This step layers bold flavors throughout the bake
- Boil the Pasta:
- Cook macaroni in plenty of salted water according to package directions until just al dente to keep a firm bite Drain thoroughly and immediately transfer to a large buttered baking dish to prevent sticking
- Sauté the Crawfish:
- Melt butter in a skillet over medium heat Add crawfish tails and a pinch of seafood seasoning Cook for two to three minutes just to warm and season Light cooking keeps them tender Set aside on a plate after cooking
- Warm the Crab Meat:
- Add a little more butter to the same skillet Gently warm the lump crab meat for about one minute Season lightly to enhance its natural sweetness Remove from heat and reserve
- Cook the Shrimp:
- Season the shrimp with the seafood seasoning Sauté in a hot skillet with butter or air fry until opaque and just cooked through This method keeps the shrimp juicy and plump
- Assemble the Casserole:
- Pour half of the prepared cheese sauce over the macaroni in your baking dish Add a handful of shredded Colby Jack cheese and stir gently so every noodle is coated
- Add Seafood Layers:
- Distribute cooked crawfish crab meat and shrimp evenly over the coated macaroni Spread them out slightly to allow even baking and good heat distribution
- Top and Finish:
- Pour the remaining cheese sauce evenly over the seafood layer Sprinkle the rest of the Colby Jack cheese on top Garnish with extra crawfish tails and chopped parsley for a colorful attractive finish
- Bake:
- Place the casserole in a preheated oven at three hundred fifty degrees Fahrenheit Bake for ten to fifteen minutes or until the cheese is bubbling and golden around the edges Serve immediately while hot and gooey

My kids always rush to grab the piece with the crispy cheese crust. This dish also brings back memories of coastal vacations hunting down the best seafood mac in beachside diners to share with family.
Storage Tips
Allow the casserole to cool completely before covering and refrigerating Store leftovers in the fridge for up to three days Reheat in the oven covered with foil to keep moisture or microwave single servings for a quick creamy meal
Ingredient Substitutions
You can swap seafood for what you have scallops or firm white fish are good alternatives Substitute Monterrey Jack or sharp cheddar cheese for Colby Jack to add a different flavor For a lighter bake use half and half in place of heavy cream
Serving Suggestions
Pair this rich casserole with a crisp green salad or simple steamed green beans A little squeeze of fresh lemon on each serving brightens the flavors For a coastal themed meal serve alongside cornbread and hot sauce for some heat

Serve immediately while hot and gooey for the best texture. Leftovers reheat beautifully.
Common Questions About Recipes
- → What types of seafood work best in this bake?
Shrimp, lump crab meat, and crawfish tails complement each other well. Lobster or firm white fish may be used as alternatives.
- → Can I use different cheeses for this dish?
Yes, sharp cheddar or Monterey Jack can replace Colby Jack or Velveeta for varied flavor while maintaining meltability.
- → How to keep the macaroni from becoming mushy?
Cook pasta until just al dente and avoid overbaking. Drain thoroughly before assembling to maintain texture.
- → Can this dish be prepared ahead of time?
Assemble and refrigerate covered before baking. Add a few extra minutes to baking time if starting chilled.
- → Which seasonings enhance the seafood flavor?
Cajun seasoning, a seafood blend, and garlic powder highlight and deepen the seafood’s natural savoriness.
- → Is it possible to adjust the spice level?
Yes, increase Cajun seasoning or add hot sauce to the cheese sauce to suit your preference.