Cut the pork into bite-sized pieces.
Dice the tomato.
Finely chop onion and garlic.
Add oil to a pan and sauté the garlic and onion.
Add the pork and stir-fry.
When the pork is cooked, add the tomato.
Season with salt and pepper.
Simmer on low heat to bring out the flavors.
Transfer the finished dish to a plate.