01 -
Preheat the oven to 190°C. Lightly coat a 23 x 33 centimetre baking dish with nonstick cooking spray and set aside.
02 -
Bring a large pot of salted water to a boil. Cook cavatappi pasta according to package instructions until al dente, about 7–8 minutes. Drain and set aside.
03 -
In a large bowl, whisk together cream of chicken soup, half & half, Dijon mustard, chopped parsley, seasoned salt, and black pepper until smooth.
04 -
Add shredded Swiss cheese, diced rotisserie chicken, and cooked pasta to the sauce. Gently fold until well combined.
05 -
Evenly spread the pasta mixture into the prepared casserole dish.
06 -
In a small bowl, combine melted butter, panko bread crumbs, and grated Parmesan cheese. Stir so the crumbs are well coated.
07 -
Distribute the crumb mixture evenly over the pasta in the baking dish.
08 -
Place the dish in the preheated oven and bake for 25–30 minutes, until the casserole is hot, bubbling, and the topping is golden brown.
09 -
Allow to cool for several minutes before serving. Garnish with additional parsley if desired and serve hot.