Cut pork leg meat into bite-size pieces.
Finely chop onion, garlic, and tomato.
Boil the pasta in boiling water.
Heat olive oil in a pan and stir-fry the pork leg meat.
Add garlic and onion, and stir-fry.
Add tomato to make the sauce.
Mix the cooked pasta with the sauce.
Season with salt and pepper.
Top with Parmesan cheese to finish.