Season chicken breasts with seasoning and massage in oil
Cook chicken breasts in cast iron pan for 5 minutes per side
Make Alfredo sauce by whisking together heavy cream and seasonings, then slowly adding Parmesan cheese and cream cheese
Spread garlic compound butter on French bread
Top bread with Alfredo sauce, chicken, and shredded cheeses
Bake at 350°F for 20-25 minutes until bread is crisp and cheese is melted
Garnish with parsley
