<http://schema.org/recipeIngredient>
"2/3 cup (about 5 ounces/150 milliliters) Guinness &lt;span class='ingredient'&gt;stout&lt;/span&gt;, at room temperature"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cookstr.com/recipes/chocolate-guinness-shake/comments>