Heat a cast iron skillet on high flame. Add the chilli oil, toasted sesame oil, half the sesame seeds, and half of the chopped spring onion greens to the skillet. Let it cook for one minute on high flame, stirring occasionally to mix the ingredients.
Crack the egg on top of the mixture in the skillet. Season with salt as per your taste. Continue to cook until the egg white is set to your desired level of doneness. The yolk should still be soft and runny.
Once cooked, turn off the heat and garnish with some more chopped spring onion greens. Serve hot.