Sear steak on medium high heat on both sides until your preferred doneness
Finish steak in the oven at 350°F (optional)
Melt ½ stick butter in a pan
Sauté ½ white onion and 2 tbsp minced garlic
Add salt and pepper to taste
Pour in 2 cups heavy cream
Add 1 tbsp Italian seasoning and 1 tbsp paprika
Thicken sauce with cornstarch and water slurry or pasta water
Stir in 1 cup Parmesan cheese
Toss cooked rotini pasta with the sauce
Top with sliced steak, additional Parmesan cheese, and parsley
Serve and enjoy
