For the chicken
01 -
1 1/4 lb (565 g) boneless skinless chicken breasts or thighs, cut into bite-size pieces
02 -
1 teaspoon kosher salt, divided
03 -
1/2 teaspoon black pepper
04 -
1 teaspoon Italian seasoning
05 -
1/2 teaspoon garlic powder
06 -
1 tablespoon olive oil
07 -
1 tablespoon unsalted butter
For the rotini and sauce
08 -
12 oz (340 g) rotini pasta
09 -
2 tablespoons unsalted butter
10 -
4 cloves garlic, minced
11 -
1 cup (240 ml) low-sodium chicken broth
12 -
1 1/2 cups (360 ml) heavy cream
13 -
1 1/4 cups (125 g) freshly grated Parmesan cheese, plus more for serving
14 -
1/2 cup (55 g) shredded low-moisture mozzarella cheese, optional
15 -
1/4 teaspoon red pepper flakes, optional
16 -
1/2 cup reserved pasta water, as needed
17 -
2 tablespoons chopped fresh parsley