Recipe for Shrimp Gyoza (Japanese Potstickers)

Ingredients (13)

• 1/4 pound napa cabbage, or green cabbage leaves
• 2/3 pound raw shrimp, shelled, deveined
• 2 teaspoons grated fresh ginger
• 1 tablespoon green onion, chopped
• 2 teaspoons sake
• 1 teaspoon salt
• 1 teaspoon sesame oil
• 2 teaspoons katakuriko, cornstarch, or potato starch
• 20 to 24 gyoza wrappers
• 1 to 2 tablespoons canola oil, or as needed
• Ponzu sauce
• Karashi, hot mustard
• Shichimi togarashi, Japanese 7-spice chili powder