French fries are a popular snack, especially essential in the fast food industry. But how are french fries manufactured? Understanding how french fries are produced in a factory can give us a deeper understanding of this delicious snack, so let's learn more about the manufacturing process of french fries.
1. Selection and acceptance of potatoes
The first step in producing quality french fries is to select quality potatoes. Once the potatoes are delivered to the factory, they undergo a rigorous quality inspection that includes testing for appearance, size and internal quality to ensure that each potato meets the production requirements.
2. Washing and peeling
The potatoes enter the washing system through a conveyor belt, where water flow and brushes are utilized to remove soil and impurities from the surface, and then peeled.
3. Cutting
The peeled potatoes are fed into the cutting machine which cuts them according to the preset size and shape. The cutting machine is equipped with different blades to cut various shapes of fries, such as wavy. The cut fries are then passed through a conveyor belt to the next step of the process.
4. Blanching
Cut fries go through a blanching process. The purpose of this process is to remove excess starch so that the fries will be crispier during the subsequent frying process. Blanching is usually done in hot water, and the time and temperature control of the blanching process is critical to the texture of the fries.
5. Cooling and Drying
After blanching, fries need to be cooled quickly to maintain their shape and texture. After cooling, the fries will enter an air dryer to remove the moisture from the surface of the fries. The purpose of this step is to prepare the fries for the subsequent frying process and to ensure the crispy texture of the fries.
6. Frying
After air-drying, the fries are fed into the fryer for deep-frying in high-temperature oil. The frying time and temperature need to be strictly controlled to ensure that the fries are golden brown and crispy on the outside and fluffy on the inside. Generally speaking, the frying temperature ranges from 170-190 degrees Celsius and the duration is about 3-5 minutes. After frying, the fries will pass through a vibrating sieve to remove excess fat.
7. Cooling and freezing
After frying, french fries need to be cooled quickly to maintain their crispy texture. Immediately after cooling, fries are usually frozen, where they are quickly chilled at temperatures below -18°C. This process helps to maintain the freshness and texture of the fries, while allowing them to be stored and transported for long periods of time. This process helps to maintain the freshness and texture of the fries while facilitating long term storage and transportation.
With modern french fries processing equipment, the factory is able to efficiently produce large quantities of high quality french fries to meet the market demand.
