Gradually whisk in chicken stock and half and half, then stir in the blended roasted garlic mixture along with spices. Bring to a boil, then simmer for 10 minutes.
Stir in Parmesan cheese until melted and combined. Return cooked chicken and mushrooms, add parsley, and adjust seasoning.
Decide whether to add cooked lasagna noodles to the soup or serve separately. Ladle into bowls and enjoy.