The French expression for “best before” is “à consommer de préférence avant le” plus the date. This box, bought at Feuillette in Saint-Gervais-la-forêt near Blois, says “Best before the others [eat them]! Guesss which flavours. Macarons achetés chez Feuillette à Saint-Gervais-la-forêt! Dévinez les parfums.