5. Pour in the chicken broth and heavy cream, stirring well and scraping up any browned bits from the bottom of the pan. Allow to simmer gently.
6. Reduce heat to low and gradually add the shredded Monterey Jack cheese, stirring constantly until melted and smooth. Stir in oregano and onion powder, adjusting seasoning if necessary.
7. Return the seared chicken to the skillet, spooning the sauce over it. Simmer for 2 to 3 minutes until heated through and the sauce thickens slightly.
8. Garnish with fresh chopped parsley before serving.