Tunnel dried – Cashew Kernels are made by removing the testa membrane and extracting the kernel within. The cashew kernel normally contains moisture, and the moisture is absorbed during processing and storage. This moisture in the kernels are removed by heat treatment and tempering in tunnel ovens to give it the crispness and shelf life. Tunnel dried cashew kernels are clean, crisp and brittle anytime snack and contains no added oil or preservative.