<http://schema.org/recipeIngredient>
"Optional ingredients: 3 Tb of rum, canned diced tomatoes (I prefer Tuttoroso or Muir Glen), frozen corn kernals, red or green bell peppers, chicken, sausage, parmesan cheese rind."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.chowhound.com/recipes/black-bean-soup-rum-brown-rice-11782>