01 -
Preheat oven to 190°C. Lightly grease a 33x23 cm baking or casserole dish and set aside.
02 -
Cook cavatappi pasta in boiling salted water according to package directions until al dente. Rinse with cold water, drain thoroughly, and set aside.
03 -
In a large saucepan over medium heat, melt butter. Whisk in flour and cook for 1 to 2 minutes, stirring to achieve a golden, smooth consistency.
04 -
Gradually whisk in evaporated milk and half & half, stirring continuously to prevent lumps. Cook until thickened, about 3 to 4 minutes.
05 -
Incorporate onion powder, garlic powder, Old Bay seasoning, salt, and black pepper into the sauce. Mix until combined.
06 -
Reduce heat to low. Add 60 g each of mozzarella, sharp white cheddar, and Gouda cheeses. Stir until thoroughly melted and the sauce is smooth.
07 -
Fold cooked pasta into the cheese sauce, ensuring all pieces are coated. Gently add shrimp and imitation crab, mixing carefully to keep seafood intact.
08 -
Transfer mixture to the prepared baking dish. Evenly distribute the remaining 25 g each of mozzarella, sharp white cheddar, and Gouda cheeses on top.
09 -
Bake in the preheated oven for 15 to 20 minutes, or until the top is bubbling and lightly golden. Remove from oven and let rest 5 minutes before serving.