Soak broccoli in water with 1 tbsp vinegar for 5 minutes, rinse, chop, and blanch in boiling water for 1 minute.

Dice the tomato into large chunks after washing with water and vinegar.

Slice chicken breast into small pieces along the grain.

Slice garlic cloves and prepare minced garlic.

Heat 2 tbsp olive oil in a wok over low heat and sauté minced garlic until golden.

Add sliced garlic and stir-fry briefly.

Add diced tomato and stir-fry until it starts releasing juices.

Add blanched broccoli and stir-fry until combined.

Season with 2 pinches of salt and 1 tbsp oyster sauce, mixing quickly.

Add chicken breast and stir-fry over medium heat until cooked through.