01 -
Bring a large pot of salted water to a boil. Add penne pasta and cook until al dente according to package instructions. Drain and set aside.
02 -
In a large skillet, melt unsalted butter over medium heat. Add minced garlic and sauté until fragrant, approximately 1 minute.
03 -
Sprinkle all-purpose flour over the garlic and whisk constantly for 1 to 2 minutes, forming a smooth paste.
04 -
Gradually pour in whole milk and heavy cream while whisking to prevent lumps. Continue cooking for 3 to 4 minutes, until sauce thickens slightly.
05 -
Stir in grated Parmesan cheese, salt, black pepper, and optional Italian seasoning. Cook for an additional 1 to 2 minutes until the cheese is melted and sauce is smooth.
06 -
Add cooked pasta to the skillet, tossing to coat evenly with the sauce.
07 -
Remove from heat and finish with chopped fresh parsley before serving.