Stir-Fried Potato Slivers with Chilli and Sichuan Pepper

Name: Stir-Fried Potato Slivers with Chilli and Sichuan Pepper (Qiang Tu Dou Si 熗土豆絲)
Cuisine: Chinese
Ingredients: 400 g potatoes; 4–5 dried chillies; 2 tbsp cooking oil; Salt; ½ tsp sesame oil (optional); ½ tsp whole Sichuan pepper