Emails bombarded my in-box last week like a barrage of walnuts on the driveway. More than a dozen readers contacted me to say that last week’s column about black walnuts piqued their interest and they ...

Preheat oven to 350°. Place walnuts on a rimmed baking sheet and toast until golden brown and fragrant, 8 to 10 minutes. Transfer to a food processor and let cool 15 minutes. Process walnuts, salt, ...