"Rich nuttiness" refers to a flavor or aroma that combines the qualities of being both rich and nutty. It describes a taste that is deep, full-bodied, and reminiscent of different types of nuts. Full definition
But I found the Gravelnuts products to have a good blend of rich nuttiness with only a bit of sweetness provided by agave nectar or dried fruit. (insteading.com)
Andrew Zimmern breaks from the standard kale salad by adding pistachios and sesame seeds for rich nuttiness and a bright, vinegary miso dressing. (foodandwine.com)
Muffins with 25 % quinoa flour are pleasantly moist and dome beautifully, and quinoa's rich nuttiness brings out the muffins» pure vanilla flavor. (kingarthurflour.com)