Combine Gorgonzola and cornstarch in a bowl. Heat fondue pot to medium high. Combine white wine, butter and rosemary in fondue pot bring to a simmer. Add Half and Half and heavy Cream. Bring to a simmer.
Gently stir in gorgonzola cheese. Add pepper to taste and garnish with chives. Serve with Steak, bread, or buffalo chicken. Enjoy!