Cold Soba with Salmon Roe and Grated Daikon

Ingredients

• 2 cups (480 ml) kombu and bonito dashi or your choice of dashi
• 1/4 cup (60 ml) soy sauce
• 1/4 cup (60 ml) Japanese black vinegar
• 2 tablespoons raw brown sugar
• 1 tablespoon black sesame oil
• 14 oz (400 g) soba noodles
• 4 oz (120 g) ikura (seasoned salmon roe)
• 1 cup (240 ml) grated daikon
• 12 medium shiso leaves, thinly-sliced
• 2 green onions, thinly-sliced crosswise