Korokke Japanese beef and potato croquettes - Kitchen by Anna K

Ingredients

• 800 g potato
• 500 g beef
• 1 onion
• 3 tbsp soy sauce
• 2 tbsp mirin
• 1 tbsp salt
• 1 tbsp black pepper
• 3 eggs
• 300 g panko breadcrumbs
• 200 g AP flour
• 800 ml oil
• 1 tbsp sesame seeds
• 20 g butter