Cheese fondue recipe

garlic clove, halved 1 pound Gruyère cheese, grated 1/2 pound Emmentaler cheese or other Swiss cheese, grated 1 cup dry white wine 1 tablespoon plus 1 teaspoon cornstarch 1 teaspoon fresh lemon juice 1 1/2 tablespoons kirsch Freshly ground black pepper Freshly grated nutmeg