1. WalnutsAll nuts do contain some amount of the omega-3 fat alpha-linolenic acid, but most only contain trace amounts.
The real fat hero in most nuts is mono-unsaturated fats. Walnuts are actually a rich source of omega-3s.
One ounce provides almost 3g of alpha-linolenic acid. I add walniuts to my morning oatmeal yummmyyyyy