They look psychedelic, but oyster mushrooms taste mild, not unlike cremini, or white, mushrooms. But try this trick and they'll be like no mushroom you've ever had: Break into individual leaves, oil and salt, and roast at 375° until they surrender their moisture, 20–30 minutes. (Be careful not to burn them, and rotate the pan every few minutes in the oven to cook evenly.) You'll wind up with crisp, dark-brown chips with amazingly concentrated flavor. Toss with a salad or grains, use to garnish a sandwich, or snack on them straight.