Rub the bottom of a medium saucepan with the sliced garlic. Place over high heat and deglaze pan with wine. Toss the 2 cheeses with the cornstarch in a small bowl. Lower the heat and add the cheeses and stir until melted. Stir in the Kirsch, and season with black pepper and nutmeg. Serve with pieces of baguette, vegetables, and meats.