Heat cooking oil in a pan/wok on medium-high heat.
Add garlic, white part of green/spring onions and chopped leeks/onions.
When they turn translucent, add the vegetables.
Season with salt.
Stir fry the vegetables, don't overcook.
Add cooked rice, tofu, gochujang paste, vinegar.
Mix everything well to combine and stir fry till rice gets heated.
Taste and add salt, more gochujang paste if needed. Could also season with a dash of soy sauce.
Turn off the heat and add toasted sesame oil, green onions and sesame seeds.