
Pasta with Tomato Cream Sauce one of the easiest pasta sauce recipes, keep it vegetarian or add some sausage with any noodles you prefer!
Set a large pot over medium heat. Add olive oil, onion, kosher salt, pepper, and crushed red pepper flakes. Cook 4 to 5 minutes, stirring a few times.
Add garlic, cook another minute and pour in the heavy cream. Bring to a boil, reduce heat to medium low and simmer for 5 minutes, stirring a few times. Stir in the parmesan cheese during the last minute.
Pour in the marinara sauce, add Italian seasoning, raise heat to high until it bubbles, turn heat back to medium low and and let cook another 5 minutes. Taste for seasoning and add kosher salt, pepper, and crushed red pepper flakes as needed.
Save 1/4 cup of water from the boiling pot of pasta right before draining. Add cooked pasta of choice to the sauce along with the pasta water and toss with tongs until combined.