Stir-Fried Eggs with Yellow Chives

Name: Stir-Fried Eggs with Yellow Chives (Jiu Huang Chao Ji Dan 韭黃炒雞蛋)
Cuisine: Chinese
Ingredients: 3 tbsp cooking oil; 1 tsp potato flour mixed with 2 tsp cold water; 100 g yellow chives; Ground white pepper; Salt; 4 eggs