Wash the bok choy thoroughly and cut it into bite-sized pieces.
Dice the tofu into 2cm cubes.
Heat cooking oil in a pan and grill the tofu until golden brown.
Push the tofu to one side and sauté the minced garlic.
Add the bok choy and stir-fry quickly over high heat.
Season with soy sauce and salt.
Mix everything well to finish.