Tumis Udang Pedas (Cabai Ebi)

Bahan-bahan (2 porsi)

• 10 shrimp ((9 oz, 250 g))
• 1 Tbsp potato starch or cornstarch ((for cleaning the shrimp))
• neutral oil ((divided))
• ¼ tsp Diamond Crystal kosher salt
• ⅛ tsp white pepper powder
• 1 Tbsp sake
• 1 Tbsp potato starch or cornstarch
• 1 knob ginger ((1 inch, 2.5 cm))
• 2 cloves garlic
• 1 g reen onion/scallion ((use only the white part))
• 2 tsp doubanjiang (spicy chili bean paste) ((you can buy a non-spicy version online))
• 2 Tbsp ketchup
• ½ cup chicken stock/broth ((or water))
• 1 Tbsp sake
• 1½ tsp sugar
• 1 tsp toasted sesame oil
• 2 Tbsp water
• 1 Tbsp potato starch or cornstarch