cold shredded potatoes, 1. Peel potatoes and carrots respectively, and wash parsley. 2. Slice potatoes and carrots respectively, and then shred parsley. 3. Boil a pot of water in the pot, add shredded potatoes and carrots, and cook with strong fire until the water boils. 4. Pick up and soak them in cold boiled water, and drain the cooled shredded potatoes and carrots. 5. Add parsley into a large pot.