Pork hamburger steak

Ingredients

• 550g ground pork
• 5 cloves garlic - finely chopped
• 2 onion - finely chopped
• 1 carrot - finely chopped
• 1 pack (150g) shimeji mushroom or 1 pack (200g) button mushroom - finely chopped

For the seasoning

• 1 egg
• 1 tbsp soy sauce
• 1 tbsp sesame
• 1/2 tbsp onion powder
• 1 tsp garlic powder
• 1 tsp ginger powder
• 1/2 tsp sugar
• 1/2 tsp salt
• 1 cup panko bread crumbs

For the sauce

• 1/2 tbsp sesame oil
• 1 tbsp miso
• 3 tbsp mirin
• 3 tbsp cooking sake
• 3 tbsp soy sauce
• 1 pack katsuo dahsi
• 2 tbsp brown sugar
• 1 tbsp honey
• 150ml water

For thicking the sauce

• 1 tbsp katakuriko/potato starch
• 1.5 tbsp water

For the garnish

• 30g green leek - finely chopped