<http://schema.org/recipeInstructions>
"Laisser gratiner 10 \u00E0 15 minutes au four th.6 (180\u00B0C)."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cuisineaz.com/recettes/gratin-de-chou-blanc-47513.aspx>