Slice beef marinate with soy and pepper.Leave for 10 mins.
Heat pan then.pour cooking oil.Make sure it is hot.

Stir fry beef until color changes.Then transfer into a plate.

Then.in same pan,add oil and sautee garlic until golden brown.

Add garlic leaves,stir fry and add a little water and simmer until half done.

Put back in the beef then cook for a minute.