Gyukatsu (Japanese deep-fried beef steak cutlet)

Name: Gyukatsu (Japanese deep-fried beef steak cutlet)
Prep time: 45 min
Cook time: 5 min
Total time: 50 min
Cuisine: Japanese
Ingredients: 360g thick beef steak (2cm thick); 2 pinches salt; 2 pinches pepper; 2 dried bay leaves; 2 stalks fresh rosemary; 4 stalks fresh dill; 1 medium onion grated; 4 tbsp flour; 1 medium egg; 1 tbsp milk; 1 tsp oil; 100g panko; Oil for deep frying; Salt for dipping (optional); Wasabi for dipping (optional); 2 tbsp soy sauce; 1 tbsp red wine; 1 tbsp mirin; 1 tsp ginger paste; 1 tsp garlic paste