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The panko is the first thing to change color in the oven: it goes from pale crumbs to a golden, crisp blanket while the cheese sauce starts bubbling around the edges. That’s the point I watch for with baked shrimp mac and cheese, because the shrimp and pasta are already cooked before the dish goes in. The oven’s job is to bring everything together and toast the top, not to cook the whole dish from scratch.

I cook the macaroni a little short of al dente, then fold it into a sauce made with sharp cheddar and Monterey Jack. The cheddar brings a pronounced cheese flavor, while the Jack softens the sauce and keeps it from tasting too sharp. Large raw shrimp go in after a quick turn in a hot skillet, so they stay tender through the final bake. Each scoop has creamy pasta, a piece of shrimp, and a buttery crunch on top.

Why This Macaroni Goes Into the Oven Before It’s Fully Tender

Macaroni that’s perfectly tender before baking can turn soft by the time the topping browns. The noodles keep cooking in the hot cheese sauce, and the oven gives them another stretch of time to absorb moisture. Starting with pasta that still has a little firmness leaves room for that second round of cooking.

Cook the elbows until they’re two minutes shy of the package’s al dente time, then drain them. That small difference matters more than trying to compensate later with a thicker sauce or a shorter bake. The macaroni should be cooked through after baking, but it shouldn’t collapse when you scoop it from the dish. This approach also gives the noodles time to take on the cheddar and Monterey Jack sauce without losing their shape.

The sauce should coat the pasta before it goes into the oven; it doesn’t need to look unusually thick in the pot. Once the dish is baking, the edges will bubble and the crumbs will brown. Those visual cues tell you the casserole is ready without leaving it in long enough to dry out the shrimp.

What the Cheddar, Monterey Jack, and Shrimp Each Bring

• Sharp cheddar and Monterey Jack — The cheddar gives the sauce its bold, familiar cheese flavor; Monterey Jack rounds it out with a milder taste and a smooth melt. Shred the cheese before starting so it’s ready to stir in once the sauce comes off the heat. For the best balance, keep both cheeses in the mix; pre-shredded cheese is convenient, but its coating can make the sauce less smooth.
• Large raw shrimp — Raw shrimp are the right choice here because they cook briefly in the skillet and then warm through in the oven. The 21–25 count size gives you substantial bites without crowding each spoonful with tiny pieces. Peeled and deveined shrimp save prep time; don’t substitute cooked shrimp, which can turn tough during the second cook.
• Elbow macaroni — The short, curved shape catches sauce and fits neatly around the shrimp. A standard dried elbow macaroni is a practical choice; there’s no need for a specialty pasta. If you use another shape, choose a sturdy short pasta and follow its package timing rather than assuming every shape cooks at the same rate.
• All-purpose flour and whole milk — Together they form the base that thickens the cheese sauce. Whisking the milk in gradually helps the flour disperse instead of leaving lumps. Whole milk gives the sauce body; a lower-fat milk will make it less rich.
• Dry mustard and paprika — Dry mustard sharpens the cheese flavor without making the sauce taste like mustard, while paprika seasons the shrimp. Both add something distinct, so I wouldn’t leave them out if you want the dish to taste balanced.
• Panko breadcrumbs — Panko makes a lighter, crunchier top than fine breadcrumbs. Choose a package that looks dry and loose, not crushed into powder; regular breadcrumbs can work, but the topping will be denser.

From Undercooked Elbows to a Golden, Bubbling Top

Get the pasta ready for its second cook

Heat the oven to 375°F and lightly grease a 9×13-inch baking dish with olive oil. Bring a large pot of water to a boil, add the kosher salt and elbow macaroni, and cook until two minutes shy of the package’s al dente time. Drain the pasta and set it aside. Don’t wait for the noodles to feel fully soft; they’ll finish in the oven.

Cook the shrimp just until opaque

Heat the olive oil in a 12-inch skillet over medium-high heat. Sprinkle the raw shrimp with paprika and cook them in batches for 1–2 minutes per side, until opaque and 145°F. Transfer each batch to a plate as it’s ready. If the skillet is crowded, the shrimp won’t cook as evenly, which is why I work in batches.

Build a smooth cheddar sauce

In the pot used for the pasta, melt the butter over medium heat. Whisk in the flour and keep whisking for one minute, then gradually whisk in the whole milk, dry mustard, and black pepper. Cook, whisking often, for 6–8 minutes, until the sauce thickens and bubbles gently. Take the pot off the heat before stirring in the cheddar and Monterey Jack, and stir until the cheese has melted.

Top and bake until the edges bubble

Fold the macaroni and cooked shrimp into the cheese sauce, then transfer everything to the prepared baking dish. Stir the panko with the melted butter and scatter it evenly over the surface. Bake for 15–18 minutes, until you see bubbling at the edges and the topping is golden brown. Rest the dish for 5 minutes before serving so the sauce can settle around the pasta.

Three Useful Ways to Adapt Baked Shrimp Mac and Cheese

Questions That Come Up While Making This Shrimp Mac and Cheese

Baked Shrimp Mac and Cheese

Baked shrimp mac and cheese combines tender shrimp and elbow macaroni in a creamy cheddar and Monterey Jack sauce. A buttery panko topping bakes until golden brown while the edges bubble.

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 40 minutes mins

resting 5 minutes mins

Total Time 1 hour hr

Servings: 6 servings

Course: Dinner

Cuisine: American

Calories: 900

Ingredients Equipment Method Notes

Ingredients

  

For the pan and pasta

• 1 tsp olive oil for greasing
• 1 tbsp kosher salt for pasta water
• 1 lb elbow macaroni

For the shrimp

• 1 tbsp olive oil
• 1 lb raw shrimp large, 21–25 count, peeled and deveined
• 0.5 tsp paprika

For the cheese sauce

• 4 tbsp unsalted butter
• 0.25 cup all-purpose flour
• 4 cup whole milk
• 1 tsp dry mustard
• 0.5 tsp ground black pepper
• 12 oz sharp cheddar cheese shredded
• 4 oz Monterey Jack cheese shredded

For the topping

• 1 cup panko breadcrumbs
• 2 tbsp unsalted butter melted

Equipment

• 1 9x13-inch baking dish
• 1 12-inch skillet

Method

 

Prepare the pan and pasta

1. Heat the oven to 375°F.
2. Lightly grease a 9x13-inch baking dish with 1 teaspoon olive oil.
3. Bring a large pot of water to a boil, add the kosher salt and macaroni, and cook until 2 minutes shy of the package’s al dente time.
4. Drain the pasta and set aside.

Cook the shrimp

1. Heat 1 tablespoon olive oil in a 12-inch skillet over medium-high heat.
2. Sprinkle the shrimp with paprika.
3. Cook the shrimp in batches for 1–2 minutes per side, until opaque and 145°F, then transfer to a plate.

Make the cheese sauce

1. In the pot used for the pasta, melt the unsalted butter over medium heat.
2. Whisk in the flour and cook for 1 minute, whisking constantly.
3. Gradually whisk in the milk, dry mustard, and black pepper.
4. Cook, whisking often, for 6–8 minutes, until the sauce thickens and bubbles gently.
5. Remove the sauce from the heat and stir in both cheeses until melted.

Assemble and bake

1. Fold the macaroni and cooked shrimp into the cheese sauce.
2. Transfer the mixture to the prepared baking dish.
3. Stir the panko with the melted butter.
4. Sprinkle the panko mixture evenly over the macaroni and cheese.
5. Bake for 15–18 minutes, until the edges are bubbling and the topping is golden brown.
6. Rest for 5 minutes before serving.

Notes

For the best texture, cook the macaroni until 2 minutes shy of the package’s al dente time so it finishes in the oven. Refrigerate leftovers for up to 3–4 days; freezing is possible, though the sauce may become less creamy. For a gluten-free swap, use gluten-free macaroni, flour, and panko.