01 -
Preheat the oven broiler on high.
02 -
Boil the elbow macaroni in a large pot of salted water until al dente. Drain and set aside.
03 -
Toss shrimp with olive oil, Cajun seasoning, smoked paprika, cayenne pepper, and salt until evenly coated.
04 -
Heat a large skillet over medium-high heat. Sauté the shrimp for 2–3 minutes per side, or until pink and cooked through. Transfer to a plate and keep warm.
05 -
In a large saucepan, melt 3 tablespoons butter over medium heat. Whisk in the flour and cook for 1 minute to form a roux.
06 -
Gradually whisk in the milk, stirring until smooth. Simmer and stir frequently for 4–5 minutes until slightly thickened.
07 -
Reduce heat to low. Add shredded cheddar, Monterey Jack, cream cheese, garlic powder, onion powder, black pepper, and salt to taste. Stir until cheeses are fully melted and sauce is smooth.
08 -
Fold the cooked macaroni into the cheese sauce until evenly coated.
09 -
Gently mix in the cooked Cajun shrimp, reserving a few for garnish if desired.
10 -
Pour the mixture into a large, ovenproof skillet or casserole dish.
11 -
In a small bowl, mix panko breadcrumbs with melted butter and Cajun seasoning. Sprinkle evenly over the pasta.
12 -
Broil for 1–2 minutes until the top is golden and crisp. Watch closely to prevent burning.
13 -
Finish with chopped fresh parsley and reserved shrimp. Serve hot.