Bring the heat to medium-high and let it come to a simmer. Once it simmering, turn the heat off and add 1/2 cup grated Parmesan cheese. Stir until it’s melted, then add the chicken back in.
How to store and reheatStore any leftover Tuscan Chicken in an airtight container in the refrigerator. It will last for 3-4 days. To reheat it, place it in a pan on the stovetop to warm over medium heat. You can add a little more butter or heavy cream to get the sauce to the consistency you want.