Sichuan Potato Pancakes

Name: Sichuan Potato Pancakes
Prep time: 15 min
Cook time: 14 min
Total time: 29 min
Yield: Makes 2 pancakes
Ingredients: 2 potatoes (about 500g/1 lb), peeled; 1/4 cup potato starch (not to be confused with potato flour!); 2 tsp soy sauce; 2 tsp ground Sichuan peppercorns*; 1/2 tsp salt; 2 spring onions (scallions), trimmed, finely sliced, plus extra to serve; 1 egg, lightly beaten; vegetable oil, for cooking; fried eggs, to serve (optional); fresh coriander (cilantro) leaves, to serve (optional); Spicy sauce; 2 tbsp chilli crisp (try my homemade chilli crisps recipehere)*; 1 clove garlic, peeled, finely chopped; 2 tsp soy sauce; 2 tsp sesame oil; 2 tsp Chinese black vinegar*; 1 tsp caster (superfine) sugar; 2 tsp sesame seeds