Preheat the oven (with one of its racks positioned in the center) to 450°F.
To an 8-inch ceramic baking dish or cast iron skillet, add the toast. Sprinkle the surface of the bread with the wine, then pile on the cheese. Transfer to the oven and cook until the cheese has melted over the edges of the toast to reveal the crust, about 8 minutes. Remove from the ove, cool slightly, then serve with cocktail onions, cornichons, and a glass of Fendant, if desired.
