Tan Tan Udon

Bahan-bahan (2 porsi)

• 2 servings udon noodles
• 1 head Shanghai bok choy
• 6 oz ground pork ((see Notes))
• 2 g reen onions/scallions
• 2 cloves garlic
• 1 inch ginger ((adjust to taste))
• 2 tsp doubanjiang (spicy chili bean paste) ((see Notes))
• 1 Tbsp toasted sesame oil
• la-yu (Japanese chili oil) ((optional, for serving; for spicy kick))
• 2 cups chicken stock/broth ((plus more to dilute the broth, as desired))
• 1 cup unsweetened soy milk
• 1 Tbsp soy sauce
• 4 Tbsp toasted white sesame seeds ((or more for fuller flavor; see Notes))