Vegan Dan Dan Noodles

Name: Vegan Dan Dan Noodles
Ingredients: 1 tablespoon neutral oil such as vegetable oil; 1 teaspoon chilli flakes ((heaped teaspoon)); 180-200 g udon noodles; ½ tablespoon neutral oil; 200 g mushrooms (sliced); 2 cm fresh ginger (grated); 2 spring onions (finely sliced, whites for cooking and green parts for garnish); small pinch cloves; ¼ teaspoon Chinese five spice; 1 teaspoon capers (roughly chopped, optional); 1 teaspoon sesame oil; ½ tablespoon rice wine vinegar; 1 tablespoon soy sauce; 2 tablespoons smooth peanut butter; 3 tablespoons soy sauce; ½ tablespoon chilli oil; 1 teaspoon rice wine vinegar; 3-4 tablespoons noodle cooking water ((helps to thicken the sauce))