Season diced chicken with onion powder, garlic powder, black pepper, and soy sauce. Set aside.
Heat a large pan over high heat and add frozen mixed vegetables. Cook for a few minutes until softened.
Add eggs and egg whites. Scramble together with the vegetables until fully cooked.
Stir in the white part of the spring onions and day old cooked rice. Mix well.
Add soy sauce and toss until the rice is heated through. Remove from heat and mix in sesame oil and green spring onions.
In a bowl, whisk together honey, soy sauce, garlic, ketchup, and rice vinegar to make the sauce.
Cook the chicken in a separate pan over medium high heat until fully cooked.
Add the honey garlic sauce and stir.
Mix cornflour with water and pour it into the pan to thicken the sauce. Let simmer for 5 minutes.
Divide the fried rice and honey garlic chicken evenly into four servings.