I love Retro Ads with Recipes, and this Diamond Walnuts Advertisement from 1950 sure fits the bill. I I love the graphics--and the recipes. A change I would make is to substitute good quality very dark chocolate instead of unsweetened chocolate, but it's up to you!If you do, you can cut down a bit on the sugar. So here are two chocolate walnut recipes: Chocolate Walnut Clusters & Walnut Surprise Squares! Sometimes you feel like a Nut!