<http://schema.org/recipeIngredient>
"2  teaspoons gelatin, pectin or agar powder combined with 4 teaspoons water, optional for thickening"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.glutenfreeandmore.com/recipes/Dairy-Free-Homemade-Yogurt-1512-1.html>