<http://schema.org/recipeInstructions>
" In a 10-inch ovenproof, nonstick skillet, heat oil over medium heat. Saut\u00E9 guanciale until golden brown, about 3 to 4 minutes. Add leeks and cook until soft, about 5 minutes. Add thyme. Transfer to a plate; set aside. Preheat oven to 375 degrees F. Return skillet to medium-low heat. In a large bowl, whisk eggs, milk, and cheeses; season with salt and pepper; and stir in reserved leek mixture. Pour into pan and cook until frittata sets around edges, about 5 minutes. Transfer pan to oven and cook for 15 minutes more."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.countryliving.com/food-drinks/recipes/a3567/leek-frittata-recipe-clv0211/>