Cut eggplant and onion into bite-sized pieces.
Heat cooking oil in a pan and stir-fry the onions.
Once the onions become translucent, add the eggplant and stir-fry.
Add soy sauce, sugar, and minced garlic for seasoning.
Stir-fry until the eggplant becomes tender.
Place the stir-fried eggplant on top of rice.
Drizzle sesame oil and sprinkle sesame seeds to taste.