Diction. Vocabulary. Word choice. Call it what you will, but the style and tone and voice of a writer are all created with the most basic unit of writing: words. Find something in the diction that stands out. Maybe it's a word combination, the use of simple words, a word bomb that makes you reach for the dictionary.
You are doing amazing work. Hope you're enjoying the reading.
A sentence I just had to share. From the NYT and Mark Bittman: The food processor replaces the whisk; the pastry cutter; the standing mixer (for which there are still some uses, but only if you’re a dedicated baker); the mandoline (which, to me, remains a fine alternative to the food processor for small quantities); the mortar and pestle, which, no matter how lovely, quaint and authentic, is perhaps the most labor-intensive, primitive and damnable set of tools in the kitchen; and, perhaps most importantly, the grater.