white pesto pasta ½ cup walnutsSalt & pepper4 oz. fresh ricottazest of 1 lemon1 garlic clove (finely grated)2 tsp. finely chopped oregano2 oz. finely grated parmesan (about 1½ cups, plus more for serving)¼ cup extra-virgin olive oil1 lb. rigatoni toast walnuts … [Read more...] about white pesto pasta