Separate broccoli stems and florets, then cut into bite-sized pieces. Peel the stems and cut them to similar sizes.

Soak broccoli in water with 1 tbsp vinegar for 10 minutes, rinse, and drain.

Boil firm tofu in salted water (0.5 tbsp salt) for 2 minutes, drain, and set aside.

Blanch broccoli in the same boiling water for 40 seconds, drain, and let cool without rinsing.

Grind 5 tbsp sesame seeds using a mortar or rub them with your palms for a richer taste.

Season broccoli with 0.5 tbsp soy sauce in a mixing bowl.

Mash tofu and mix with 1 tbsp fish sauce, ground sesame seeds, and 2 tbsp sesame oil.

Adjust seasoning with salt and sprinkle pepper to taste.

Combine broccoli and tofu mixture, ensuring everything is well-coated.