Ingredients: 3 potatoes, generally 2 is enough. Two green peppers. Practice: Step 1: Peel and shred potatoes. Step 2: shred the beans, remove the starch with cold water and change the water several times, so that the fried dishes taste crisp. Step three, pour some oil into the pot. When the oil is warm, put the pepper particles in and fry for half a minute. Do not remove the pepper. Step 5: Pour in the drained shredded potatoes and shredded green peppers and stir fry for about 1 min. Step 7, after the dishes are cooked, put them on a plate, and a plate of hot and sour crisp potato chips can be served.