Sichuan Dan Dan Noodles

Name: Sichuan Dan-Dan Noodles
Ingredients: 1/2 cup vegetable oil; 1 scallion, cut into segments; 2 slices of ginger; 2 cloves of garlic, smashed; 2 star anise pods; 1 small piece of cinnamon, approximately 1 inch long; 3 teaspoons green Sichuan peppercorns, crushed; 1 teaspoon red Sichuan peppercorns, crushed; 2 1/2 tablespoons chili flakes (preferably Sichuan or Korean); 1/8 teaspoon ground coriander; 1/8 teaspoon ground cumin; 5.3 ounces (150 grams) ground pork; 1 teaspoon soy sauce; 1 teaspoon sesame oil; 4 cloves of garlic; 1 piece of ginger, approximately 1 tablespoon; 2 to 3 tablespoons douban chili paste, depending on saltiness; 3 1/2 tablespoons unsweetened peanut butter; 1/2 teaspoon ground red sichuan peppercorn; 2 tablespoons Chinese cooking wine, or rice wine; 2 1/4 cups unsalted chicken stock; 1 bunch of Asian dry noodles; Chopped scallions or cilantro, for garnish