01 -
Warm 15 ml olive oil in a large, heavy-bottomed skillet over medium heat.
02 -
Add crumbled Italian sausage and cook for approximately 5 minutes, breaking it apart until fully cooked. Drain excess fat.
03 -
In the same skillet, add uncooked rigatoni, chicken broth, heavy cream, minced garlic, Italian seasoning, and tomato sauce.
04 -
Bring mixture to a boil over medium heat, stirring to combine. Cover and cook for 10 to 15 minutes, stirring frequently, until the pasta is al dente and sauce is bubbling.
05 -
Stir in fresh spinach and cook on medium heat for 2 minutes until wilted, stirring frequently.
06 -
Alternatively, remove skillet from heat, add spinach on top, cover, and let wilt off heat for 4 minutes before stirring.
07 -
If a thicker sauce is desired, continue cooking uncovered until preferred thickness is reached.
08 -
Mix thoroughly, remove from heat, and season with salt, freshly ground black pepper, and red pepper flakes to preference.