Ingredients:

For the Tonkatsu:

• 1 boneless pork loin chop, about 1.5–2 cm thick
• Salt and pepper
• 2 tbsp flour
• 1 egg, beaten
• 1/2–1 cup panko breadcrumbs
• Oil for frying

For the Sandwich:

• 2 slices shokupan, sliced about 3 cm thick
• 2–3 tbsp tonkatsu sauce
• Finely shredded cabbage, optional
• Softened butter, optional but traditional

Tonkatsu Sauce:

• 2 tbsp Worcestershire sauce
• 1 tbsp ketchup
• 1 tbsp oyster sauce
• 1 tsp soy sauce
• 1 tsp sugar or honey
• 1/2 tsp Dijon mustard