Shopsmart: Baby arugula has smaller, more tender leaves and a slightly less peppery and assertive flavor than "grown-up" arugula. Know-How: Parmigiano-Reggiano shavings are a simple way to add texture, taste, and eye appeal to salads. To make them, hold the cheese firmly in 1 hand and run a vegetable peeler firmly across the longest edge of the cheese to peel off long, thin strips.