They may not be as popular as almonds or peanuts, but let’s show walnuts some respect: they’re great for your heart, your brain, and your bones; you can incorporate them into any meal; and they’ve literally been around for almost 10,000 years. The Walnut Marketing Board established National Walnut Day in the 1950s, and we’ve celebrated on May 17 ever since. Read on for all the best ways to use walnuts, because they’re so much more than just another ingredient to toss in chicken salad.