Steps
1. Heat the vegetable oil in a pan over medium heat.
2. Add the cooked chicken and stir-fry for 2 minutes until heated through.
3. Push the chicken to one side of the pan and crack the egg into the other side. Scramble the egg until fully cooked.
4. Add the cooked rice to the pan, mixing it with the chicken and egg.
5. Pour in the soy sauce and mix well, ensuring the rice is evenly coated.
6. Stir in the grated cheese and allow it to melt into the rice.
7. Season with salt, pepper, and top with chopped green onions before serving.