Sauté the Aromatics – Heat oil in a large pan over medium heat. Add diced onion, garlic, and ginger. Cook for 2-3 minutes until fragrant.
Cook the Vegetables – Stir in the red bell pepper, peas, carrots, corn, and red cabbage. Sauté for another 3-4 minutes until slightly tender.
Add the Rice – Stir in the chilled, cooked rice and mix well to combine with the vegetables.
Season and Finish – Pour in the soy sauce and stir well. Cook for 2-3 minutes, allowing the rice to absorb the flavors.
Garnish and Serve – Add sliced green onions, give it a final stir, and serve hot!