Korokke | Chopped

Ingredients

• 4 russet potatoes, peeled and cut into chunks
• 1 tablespoon unsalted butter
• 1/2 onion, finely chopped
• 1/2 pound ground beef or ground pork
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 1 tablespoon soy sauce
• 1 teaspoon sugar
• 1/2 cup all-purpose flour
• 2 large eggs, beaten
• 1 1/2 cups panko breadcrumbs
• 4 cups vegetable oil, for frying
• 2 cups shredded cabbage, for serving
• 1/2 cup tonkatsu sauce, for serving