Slice the onion and green onion thinly.
Crack eggs into a bowl and whisk them.
Add cooking oil to a pan and heat over medium.
First, stir-fry the green onion and onion.
When the vegetables turn translucent, pour in the eggs and stir.
Season with salt and pepper.
When the eggs are moist and cooked, turn off the heat.
Transfer to a plate and serve.