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Dinner · Part 2 of 3: Instructions

Creamy Seafood Mac and Cheese Bake Step-by-step instructions

A close-up of a serving of creamy seafood mac and cheese being scooped out of a white baking dish with a spatula.
Prep
Cook
Total
Serves
6
Includes 10 min resting

Before you start

Before beginning, ensure all ingredients are measured and ready, as the assembly process moves quickly once the heat is applied. Grate the cheddar cheese freshly if possible, as it melts significantly better than pre-packaged shreds.

Preheat the oven to 375°F (190°C) so it is ready by the time the assembly phase is complete. Clear a workspace for the baking dish to sit while filling, and have all necessary equipment, such as a sturdy spatula, within easy reach.

Ingredients at a glance (2)
  • 1 lb shrimp, peeled and deveined
  • 1 dish store-bought or made ahead macaroni and cheese with shrimp

Instructions

Preparation and Assembly

  1. Prepare the Dish
    Preheat the oven to 375°F (190°C). Prepare the macaroni and cheese base according to your preferred method, ensuring the shrimp are incorporated throughout the mixture.
    Look for The mixture should be well combined and ready for the baking dish.
    Tip Ensure the shrimp are evenly distributed throughout the pasta to guarantee a balanced bite.

The pasta should be combined with the cheese sauce and shrimp, ensuring everything is evenly distributed. The mixture should look cohesive, with the shrimp nestled throughout the pasta. Ensure the baking dish is clean and ready for the mixture, as this will help prevent sticking and ensure an even bake across the entire surface of the dish.

Baking the Dish

  1. Bake the Pasta
    Transfer the prepared mixture into a 9x13-inch baking dish. Bake for 35 minutes until the top is golden and the sauce is bubbling. Ensure the shrimp reach an internal temperature of 145°F (63°C).
    Look for The top should be golden and the sauce bubbling.
    Safe temperature 145°F (63°C) internal temperature (shellfish)
    Tip Cover with foil if the top browns too quickly before the center is hot.

The baking is complete when the entire surface is bubbling and the top layer of cheese has turned a beautiful golden hue. The dish should look cohesive, with the sauce thick and creamy rather than runny.

A quick check should reveal a hot, molten texture that pulls away cleanly from the edges of the dish, indicating the cheese is perfectly melted.

Resting and Serving

  1. Rest and Serve
    Remove the baking dish from the oven and let it rest for 10 minutes. This allows the sauce to set slightly, ensuring a perfect cheese pull when serving.
    Look for The sauce should be thick and hold its shape when scooped.
    Tip Use a wide spatula to lift a generous portion, keeping the layers intact.

The final rest is complete when the dish has cooled slightly, allowing the sauce to thicken and the cheese pull to become more pronounced. The dish should smell rich and savory, with the aroma of the seafood and cheese clearly present. A quick test with a spatula should reveal a hot, molten texture that holds its form while being served.

Common mistakes

A common mistake is using too much heat when baking, which can cause the cheese to brown too quickly or burn, resulting in a bitter flavor. Keep the oven temperature steady.

Another error is failing to let the dish rest after baking; always allow it to sit for 10 minutes to ensure the sauce sets properly. Finally, avoid overcooking the pasta before baking; it should be firm, as it will continue to soften significantly while in the oven.

How to tell it’s done

The dish is considered done when the cheese sauce is bubbling vigorously around the edges of the baking dish and the top has developed a light golden-brown color. The pasta should be tender throughout.

Because the shrimp reach an internal temperature of 145°F (63°C) during the baking phase, they will remain safe and succulent. Ensure the internal temperature of the center of the dish reaches at least 165°F (74°C) to guarantee the cheese sauce is heated through uniformly.

  • Shellfish: 145°F (63°C) in the thickest part

Coming up in Part 3: common questions

  • Can this dish be prepared with a different type of pasta?
  • Why does the cheese sauce sometimes appear grainy?
  • Is it possible to make this dish without shrimp?

Also in Part 3: variations (Spicy Cajun Version, Garlic Herb Infusion), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)