In a large pan, add vegetable oil. Add diced onion, minced garlic, and ginger. Stir-fry for 2 minutes until fragrant.
Push the vegetables to one side of the pan. Pour the beaten eggs into the other side and scramble until set.
Add the cooked rice to the pan and mix everything together, breaking up any clumps.
Add soy sauce and sesame oil. Stir to combine, ensuring the rice is evenly coated.