01 -
Bring a large pot of salted water to a boil. Add penne pasta and cook according to package instructions until al dente. Drain and set aside.
02 -
Melt butter in a large skillet over medium heat. Add minced garlic and sauté until fragrant, about 1 minute.
03 -
Sprinkle flour over the garlic and whisk continuously for 1 to 2 minutes until the mixture forms a smooth paste and cooks through.
04 -
Gradually pour in whole milk and heavy cream, whisking constantly to prevent lumps. Cook for 3 to 4 minutes until the sauce thickens slightly.
05 -
Stir in grated Parmesan, salt, black pepper, and Italian seasoning if using. Cook for another 1 to 2 minutes until cheese is fully melted and sauce is smooth.
06 -
Add cooked penne to the skillet and toss gently to coat the pasta evenly with the sauce.
07 -
Remove from heat and sprinkle chopped fresh parsley on top before serving.