- Combine the shredded Grand Cru®, Little Mountain, Pleasant Ridge Reserve, 1 cup wine and lemon juice in a large bowl. Cover and let stand for 2 hours at room temperature. 
- Whisk cornstarch and remaining wine in a small bowl until smooth. Place salt into a large saucepan. Starting in the salt, rub the cut sides of garlic on pan. Discard garlic. Add wine mixture; bring to a boil over medium heat. Cook and stir until thickened. 
- Reduce heat to low. Gradually whisk in cheese mixture until melted. (Do not boil.) Season with nutmeg and pepper to taste. 
- Transfer to a fondue pot. Heat on low to keep warm. Serve with dippers.