Ingredients 1/2 cup salted shelled roasted pistachios 1/2 cup packed fresh flat-leaf parsley 1 small clove garlic, smashed and peeled 1/2 cup extra-virgin olive oil 2 tablespoons red-wine vinegar 2 tablespoons finely grated Pecorino Romano 4 small carrots, peeled, ends left intact 4 small parsnips, peeled 2 beets, peeled and cut into 1/2-inch wedges 8 cipollini onions 1 bulb fennel, cut into wedges, core intact 2 dried bay leaves 1 teaspoon whole coriander seeds 3 dried red chiles 4 to 5 cups extra-virgin olive or canola oil Preparation Pistachio Pesto:In a mini food processor, pulse pistachios, parsley, and garlic with oil until finely chopped....