Korroke with Tonkatsu Sauce (Japanese Potato Croquettes with Eas

Ingredients:

• 1 lb potato, peeled and diced
• 1/4 lb ground beef
• 1/2 medium onion, finely chopped
• 1 -2 teaspoon curry powder (to taste)
• salt
• pepper
• freshly grated nutmeg, to taste
• 2 eggs, beaten
• 1/2 cup flour
• 2 cups panko or 2 cups unseasoned breadcrumbs
• 3 cups peanut oil (for deep-frying)
• 2 cups shredded cabbage

Tonkatsu Sauce

• 1 teaspoon dry yellow mustard powder
• 4 teaspoons sake (rice wine) or 4 teaspoons use dry sherry
• 1/4 cup ketchup
• 4 teaspoons rice wine vinegar
• 4 teaspoons soy sauce
• 4 teaspoons Worcestershire sauce
• 4 teaspoons sugar
• 1/4 teaspoon ground allspice
• 1/8 teaspoon ground cloves
• 1/2 teaspoon minced garlic