With Marine Le Pen chasing his votes, the French president has made labelling of halal meat an election issue. But Muslim entrepreneurs are dismayed by his shift to the right

Les Enfants Terribles, a chic restaurant in Paris's 12th arrondissement, was packed. Plates of halal foie gras à la maison, halal braised lamb with rosemary, and halal caramelised duck were being dispatched to tables. Fresh fruit cocktails and exotic non-alcoholic concoctions replaced glasses of wine.