Hazelnut processing in Gilan includes various stages that help to improve the quality and increase the added value of this product. The main stages of hazelnut processing include:

1. Harvesting: Hazelnuts are usually harvested in autumn. Harvesting is done manually or using special devices. 2. Drying: After harvesting, hazelnuts should be dried well to prevent spoilage and quality loss. This work is usually done in the shade and at a suitable temperature. 3. Cleaning: After drying, the hazelnuts should be cleaned of waste, leaves and other contamination.

4. Cracking and separation: Hazelnuts are usually cracked to separate their kernels. This work can be done manually or using machinery. 5. Production of products: Various products are produced from hazelnuts such as hazelnut oil, hazelnut powder and hazelnut chocolate. These products can be supplied to domestic and foreign markets. 6. Packaging: Proper packaging of hazelnuts and its products plays an important role in maintaining quality and attracting customers.

Hazelnut processing in Gilan is of particular importance due to the existence of suitable cultivation conditions and high demand in the market. And it can help the economic development of the region.