Beef Udon (Niku Udon) - Pankobunny

Ingredients

• 1.2 L water ((1200 ml))
• 4 tsp powdered bonito soup stock (hondashi)
• 2-3 tsp salt ((10-15g))
• 2 tsp soy sauce ((10 ml))
• 2 tsp mirin ((10 ml))
• 200 g thinly sliced beef
• 2 packs of udon ((6 oz/188g per pack))
• fresh ginger (grated (for garnish))
• green onion (thinly sliced (for garnish))