For the pasta
01 -
12 oz (340 g) penne pasta
02 -
1 tablespoon kosher salt, for the pasta water
03 -
1 cup (240 ml) reserved pasta water
For the chicken
04 -
1 1/2 lb (680 g) boneless, skinless chicken breasts, sliced into thin strips
05 -
1 1/2 tablespoons Cajun seasoning, plus more to taste
06 -
1 teaspoon smoked paprika
07 -
1/2 teaspoon garlic powder
08 -
1/2 teaspoon black pepper
09 -
1 tablespoon olive oil
For the sauce
10 -
1 tablespoon unsalted butter
11 -
1 small yellow onion, thinly sliced
12 -
1 red bell pepper, thinly sliced
13 -
4 garlic cloves, minced
14 -
3/4 cup (180 ml) low-sodium chicken broth
15 -
1 1/4 cups (300 ml) heavy cream
16 -
3/4 cup (75 g) freshly grated Parmesan cheese, plus more for serving
17 -
1/4 teaspoon red pepper flakes, optional
18 -
1 teaspoon fresh lemon juice
19 -
2 tablespoons chopped fresh parsley