The Sandwich Valençay is built around one goat cheese with an unmistakable look, and the cheese is the whole reason it exists. Valençay is a soft goat's-milk cheese from the Berry, shaped into a flat-topped pyramid and coated in fine grey ash, the dark rind giving way to a bright, dense, lactic paste underneath. Its flavour is sharper and more mineral than a cow's-milk cheese, with the clean lactic tang a well-made chèvre carries. The build is a length of crusted bread, a thin film of butter or none at all, thick discs or a generous smear of the Valençay, and very little else: maybe a thread of honey, a few walnut pieces, a leaf of something bitter. The discipline is restraint, because the cheese is assertive and a crowded build buries it.
The logic follows from how a soft ash-ripened goat cheese behaves in bread. Young, the paste is moist and spreadable and beds into the crumb; a little older it firms toward sliceable, and either state works so long as the cheese is the loudest thing present. The ash rind is edible and faintly mineral, part of the flavour rather than a wrapper to strip, so the discs go in rind and all. The tang is the constraint that shapes everything else: a sharp lactic cheese needs a small sweet or bitter counterweight, which is why honey, walnut, or a bitter leaf earn their place where a second strong ingredient would only fight it. The bread needs a real crust because the soft cheese brings no structure of its own, and a touch of toast helps, since gentle warmth loosens the paste and lifts the goat aroma without melting it to a smear.
Variations stay inside the goat-cheese and the Berry registers rather than wandering off them. The wider Berry table sets the same cheese against rillons and a frisée leaf in its regional sandwich, a meatier reading that gets its own treatment in the catalog. Within the cheese-led version the turns are small: warm goat on toasted seeded bread with honey and walnut, a swap to another small intense chèvre such as a Crottin or a Sainte-Maure, a fig note in place of the honey. The Sandwich Valençay belongs with the regional cheeses the catalog folds into a baguette under Baguette Fromage, the shelf where every named French cheese gets its own handling. Its specific contribution is an ash-coated pyramid chèvre, sharp and mineral and edible rind and all, so the sandwich's job is to give it a crust and one quiet counterweight and otherwise leave it alone.