y-1-inch strips orange zest3 sprigs fresh thyme1 large bay leaf Kosher salt1 1/2 pounds thin-skinned, waxy potatoes, such as Yukon Gold, peeled and cut into 1/2-inch dice3/4 ounce bittersweet or semisweet chocolate, finely grated1/8 teaspoon ground cinnamon1/8 teaspoon cayenne pepper3/4 pound prunes, soaked in hot water for 30 minutes and drained (see Note)2 tablespoons finely chopped, fresh flat-