Step 1

Heat olive oil in a large saucepan over medium heat. Add onion and cook for 3 minutes.

Step 2

Add garlic, basil, and red pepper flakes and cook 1 minute.

Step 3

Add spaghetti sauce, heavy cream, salt and pepper. Simmer for 10 minutes, or until thickened to your liking.

Step 4

Cook pasta according to package directions, drain and mix together with sauce.