Heat oil in a skillet on medium heat. Add your onion and cooking 3-5 minutes. Dont brown your onion!
Add in your sun-dried tomato and garlic. Cook 2-3 minutes stirring.
Add in your salt, pepper + Italian seasoning. Mix 1-2 minutes.
Pour in your half and half and mix until everything is combined. Simmer for 3-5 minutes on medium low heat.
Turn your heat low or off and add in cheese.
Toss in your fresh ravioli and garnish with parsley. Enjoy!