Vegetable Dumplings (Potstickers!)

Bahan-bahan (30 porsi)

• 2 cups green cabbage (, finely chopped into 2mm pieces)
• 1/2 tsp cooking/kosher salt
• 8 dried shiitake mushroom ((40 g total), medium size (Note 1))
• 3/4 cup firm tofu (, finely diced into 3-4mm / 1/8" cubes (Note 2))
• 1/2 tsp garlic (, finely grated)
• 1 tsp ginger (, finely grated)
• 2 tbsp green onion (, finely sliced then minced)
• 2 tbsp finely grated floury potato (, including juices, for binding (Sebago, russet, Maris piper, Note 3))
• 1 1/2 tsp toasted sesame oil ((Note 4))
• 1 tsp light soy sauce ((or all-purpose, not dark soy))
• 1/4 tsp sugar ((any))
• 1/4 tsp cooking/kosher salt
• 2 pinches white pepper ((sub black))
• 30 - 35 round dumpling wrappers ((gow gee, Note 5))
• 2 - 3 tbsp canola oil
• 1/4 cup water per cooking batch