And when Costco set out to make a Kirkland version of chocolate and nut bars in 2016, it turned to a family-owned company. Kingsport, Tennessee-based Leclerc Foods USA manufactures the Kirkland ...

The best options contain whole foods like nuts, seeds, whole grains, and dried fruit. Consumer Reports dietitian Amy Keating oversaw CR’s testing of 31 popular bars, checking nutrition and taste.

Three blue and cream boxes of nut bars with a picture of the bar on front, surrounded by other boxes - ZikG/Shutterstock ...