Mapo Potatoes | Two Jade Bowls

Ingredients

• 1 kg waxy potatoes, such as Yukon Gold
• 2-3 tablespoons light oil
• 6 fat cloves garlic
• an equal amount of ginger
• 2 teaspoons Sichuan peppercorns (hua jiao)
• 3 tablespoons Pixian broadbean sauce (doubanjiang)
• 2 teaspoons fermented black beans
• 1 teaspoon light soy sauce
• 1 1/2 cups water or veg broth
• 1-2 teaspoons cornstarch
• 1/4 - 1/2 cup cold water
• 1-2 scallions for garnish