Use cold leftover rice
Break up any clumps with your hands or a fork
Heat a pan or wok over medium-high heat
Add oil
Cook aromatics like garlic or onion if desired
Add vegetables and cook briefly
Push ingredients to the side
Scramble eggs in the pan if using
Add the leftover rice
Stir-fry until heated through
Add soy sauce or seasoning
Mix in cooked meat, shrimp, or tofu if desired
Toss everything until evenly combined
Finish with green onions or sesame oil if desired
Serve hot