Kishimen: Thick and Savory Udon Noodles from Nagoya

Ingredients

• 2 cloves garlic, minced
• 4 tablespoons soy sauce
• 2 tablespoons cornstarch (optional, for thickening
• Salt and pepper to taste
• 23 green onions, chopped
• 1 onion, thinly sliced
• 2 tablespoons vegetable oil
• 2 tablespoons mirin (Japanese sweet rice wine)
• 200g thinly sliced beef or chicken
• 2 tablespoons sake (Japanese rice wine)
• 4 cups dashi (Japanese soup stock)
• 250g udon noodles
• Optional toppings: tempura flakes, grated daikon r