Heat a pan over medium heat and add butter.
Add arrowroot and garlic, sautee for 1-2 minutes.
Add wine, simmer for 3 minutes, or until the wine starts to cook off, add the chicken broth and simmer for 1 minute.
Add the heavy cream, parmesan cheese, pepper, salt, and italian seasoning. Simmer for 1 minute.
Turn off heat, add lemon zest and juice, allow everything to come together.
Pour the sauce over your fish and serve!