Prepare the Luffa:
Start by peeling the luffa gourds to remove the outer skin, which can be tough. Slice the peeled luffa into thin rounds or half-moons, depending on your preference.
Cook the eggs:
Heat the vegetable oil in a large frying pan or wok over medium heat. Cook the beaten eggs, stirring occasionally, until they become scrambled and set. Remove the eggs from the pan and set them aside.
Stir-fry the luffa:
In the same pan, add the minced garlic and sauté for about 30 seconds until it becomes fragrant. Add the sliced luffa and stir-fry for about 3–4 minutes, until the luffa becomes tender but still crisp.
Season the dish:
To the luffa, add the soy sauce, salt, and white pepper (if using). Stir well to combine all the flavors.
Combine and serve:
Return the scrambled eggs to the pan and stir everything together for another minute, allowing the flavors to meld. Remove the heat.
Garnish and enjoy:
Garnish with fresh cilantro if desired, and serve the stir-fried luffa hot with steamed rice.