In a wok, heat oil over medium heat.
Add half of leeks and garlic. Cook until you smell the aroma.
Add kimchi and kimchi juice and cook for another minute.
Add gochujang and soy sauce and mix all ingredients. Add a little water if kimchi sticks to the wok.
Add leftover rice and cook for a few minutes until rice is fully warm.
Add sesame oil, sesame seeds and the rest of the leeks.
Season with black pepper to taste.
Remove from pan and put in bowls.
Serve with either just leeks on top or with sunny-side up egg.
Inspired by Just One Cookbook