Step 1

Cook udon noodles according to the instructions on the packaging.  Drain and rinse under cold water before setting aside.

Step 2

Bring a large pot of water to a boil.  Add in dashi granules to the water along with dark and light soy sauce, sugar, and mirin.  Bring to a simmer and let cook until the sugar and dashi have dissolved.

Step 3

Divide noodles and broth between 4 bowls and garnish with green onions and seven-spice.  Serve immediately.