Cut onion in to 1/4-inch pieces. Finely chop ginger and garlic and thinly slice green onions.
Heat sesame oil in a pan over medium heat. Add ground pork, ginger and garlic and saute until the pork has changed color.
To the pork, add diced onion, water, stock cube, ENJUKU KOJI MISO, and 1 tsp of sesame oil. Bring ingredients to a boil and simmer for 10 minutes.
In a separate bowl, boil the Chinese ramen noodles in plenty of water and according to the package instructions. Drain well and divide noodles into the serving bowls.
Reheat the pork soup broth and pour it over the cooked noodles. Garnish with corn, thinly sliced green onions and a pat of butter.