The finish
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Sure, sprinkle on some freshly grated cheese – but why stop there? Even if your recipe doesn't call for it, try an extra splash of extra-virgin olive oil or a pat of butter for richness, lemon juice to brighten it up, toasted bread crumbs or nuts for crunch, or chopped herbs for aroma and color. As a final flourish, add a tiny green sprig of one of the herbs in your dish.