Cook the instant ramen noodles in boiling water.Once the noodles are fully cooked, strain them and reserve 1 cup of the cooking liquid.Return the noodles and cooking water to the pot along with the Korean rice cakes.Place the pot back on the burner and set the heat to medium/high.Add the gochujang, oil, soy sauce, and sugar.Mix well and allow the noodle/sauce mixture to come to a simmer.Once simmering carefully crack the egg into the center of the cooking noodles and allow it to poach.Once the egg is cooked to your liking, transfer the noodles carefully to a bowl.Garnish your Rabokki Ramen with sliced scallions and sesame seeds.Enjoy!