pith Pinterest Facebook Twitter Email The soft, white, somewhat bitter, spongy layer that lies between the outer peel and the flesh of a citrus fruit. From The Food Lover's Companion, Fourth edition by Sharon Tyler Herbst and Ron Herbst. Copyright © 2007, 2001, 1995, 1990 by Barron's Educational Series, Inc. Keep Reading Next Up The Ultimate Pi Day Pie Try a New Pie for Pi Day Our favorite geeky holiday, Pi Day, is upon us. What better way to celebrate 3.14 than to try a new pie recipe? 2 Ways to Make Savory Pies for Pi Day Just in time for Pi Day on Monday, 3.14, The Kitchen crew showed off a duo of creative takes on savory pies. Non-Pie Recipes to Make on Pi(e) Day In honor of Pi Day, here are some pie-inspired dessert recipes from Food Network that we’re irrationally excited to make. Today in Food: Bake a Pi(e), Eat Some Chips Restaurant Revisited: Sink or Swim at Pier West Restaurant Find out how Pier West Restaurant is doing after their Restaurant: Impossible renovation with Food Network's Robert Irvine. An Infinite Number of Ways to Celebrate Pi(e) Day No matter if you love or hate math, indulge in Food Network's sweet and savory pie recipes in honor of Pi(e) Day.