Creamy Seafood Mac and Cheese Bake with Seared Shrimp Step-by-step instructions

Before you start

Before you turn on the stove, gather and prepare all your ingredients to ensure a seamless cooking process. Shred your cheese and place it in a bowl. Peel, devein, and thoroughly dry the shrimp, then toss them with the seafood seasoning. Measure out the macaroni, cheese sauce, and herbs so they are ready to use without delay.

Instructions

Boiling the Pasta and Searing the Seafood

1. 1Boil the Macaroni
   Bring a large pot of salted water to a boil over high heat. Add the elbow macaroni and cook according to the package instructions until just al dente, which is about 8 minutes. Drain the pasta thoroughly in a colander and set it aside, ensuring it does not overcook since it will continue to soften during the baking process.
   Look for The macaroni should be tender but still hold a firm bite in the center.
   Tip Do not rinse the cooked pasta, as the natural starches help the cheese sauce cling to it.
2. 2Season and Sear the Shrimp
   Pat the raw jumbo shrimp completely dry with paper towels. In a medium bowl, toss the shrimp with the seafood seasoning until evenly coated. Heat a large skillet over medium-high heat. Add the seasoned shrimp and sear for 1 to 2 minutes per side until they turn pink and opaque. Transfer the seared shrimp to a plate.
   Look for The shrimp should have a beautiful caramelized exterior and turn opaque pink.
   Tip Avoid overcrowding the skillet so the shrimp sear beautifully instead of steaming.

At the end of this initial phase, the macaroni should be drained and cooked just to al dente, meaning it still has a slight bite in the center.

The seasoned shrimp should be seared in the skillet until they are pink, opaque, and beautifully caramelized on the outside, filling your kitchen with a rich, savory aroma of toasted spices and seafood.

Warming the Sauce and Assembly

3. 3Warm the Cheese Sauce
   In a large Dutch oven or pot, warm the rich velvety cheese sauce over medium-low heat. Stir the sauce constantly to ensure it heats evenly and blends into a perfectly smooth, creamy consistency without scorching at the bottom of the pot.
   Look for The cheese sauce should be hot, smooth, and completely fluid.
   Tip Keep the heat low to prevent the dairy in the cheese sauce from separating.
4. 4Combine the Pasta and Shrimp
   Remove the pot from the heat. Gently fold the cooked macaroni and the seared shrimp into the warm cheese sauce. Stir carefully until every piece of pasta and seafood is completely coated in the rich, velvety cheese mixture.
   Look for The pasta and shrimp should be evenly distributed and fully coated.
   Tip Save a few seared shrimp to place on top of the casserole before baking for a beautiful presentation.

By the end of this phase, the cheese sauce should be warm, glossy, and completely smooth. When you fold in the macaroni and seared shrimp, every piece of pasta should be completely coated in the rich, velvety sauce, creating a heavy, cohesive mixture that is ready to be transferred to the baking dish.

Baking and Garnishing the Casserole

5. 5Assemble the Casserole
   Preheat the oven to 375°F (190°C). Transfer the creamy macaroni and shrimp mixture into a baking dish. Spread it out evenly using a spatula, then sprinkle the shredded cheese over the top to create a generous, even layer that will melt into a golden crust.
   Look for The shredded cheese should cover the entire surface of the pasta.
   Tip Grease the baking dish lightly to prevent the edges from sticking.
6. 6Bake to Perfection
   Place the baking dish in the preheated oven and bake for 20 to 25 minutes. The casserole is ready when the edges are bubbling and the cheese on top has melted into a beautiful golden-brown crust. Ensure the shrimp in the center of the bake reach a safe internal temperature of 145°F (63°C) before removing from the oven.
   Look for Look for a bubbling perimeter and a deeply golden cheese crust on top.
   Safe temperature 145°F (63°C) internal temperature (shellfish)
   Tip If the top is not brown enough, broil on high for the last 2 minutes.
7. 7Garnish and Rest
   Remove the casserole from the oven and let it rest on a wooden board for 10 minutes to allow the rich cheese sauce to set. Garnish the top with chopped fresh herbs before serving warm.
   Look for The sauce should thicken slightly and hold its shape when scooped.
   Tip Resting is essential to prevent the hot cheese sauce from running when served.

After baking, the casserole should be bubbling vigorously around the edges, and the cheese on top should be melted into a deep golden-brown, crispy crust.

The shrimp inside must be fully cooked and tender. After resting for ten minutes, the sauce will set slightly, and a sprinkle of fresh green herbs will provide a vibrant finish.

Common mistakes

A common mistake is overcooking the macaroni during the boiling stage. Because the pasta will cook a second time in the oven, boiling it completely soft beforehand will result in a mushy casserole.

Another error to avoid is using high heat when warming the cheese sauce. High heat can cause the sauce to separate, leading to a greasy, separated texture rather than a velvety one.

How to tell it’s done

To determine if the seafood mac and cheese is perfectly done, look for a bubbling perimeter and a deeply golden, lightly browned cheese crust on top.

Most importantly, use an instant-read digital thermometer inserted into the center of the dish to verify that the shrimp have reached a safe internal temperature of 145°F (63°C). The pasta should feel tender but hold its shape when scooped.

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