<http://schema.org/recipeIngredient>
"1 medium red onion, finely chopped"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.foodnetwork.co.uk/recipes/parmigiano-reggiano-cheese-and-wild-mushroom-picnic-risotto-balls-with-garlic-and-lemon-dip.html>