In a bowl, combine the soy milk, flour, cornstarch, baking powder and salt. Blend until you have a smooth consistency. Add water if the dough is too thick.

Place the tofu in the bowl and toss to coat the pieces with the mixture.

In a wok or large skillet, heat the oil, add the tofu and cook for 5 to 10 minutes so that all sides are golden brown. Turn off the heat, remove from the wok and set aside.

Add water, rice vinegar and brown sugar to the wok.

Using a whisk, dissolve the brown sugar completely.

Dissolve the cornstarch in the tamari sauce.

Add the mixture of tamari sauce, hoisin sauce and ketchup to the wok.

Open the heat to medium intensity and allow to thicken, stirring slightly.

Return the tofu to the wok with the sauce, mix to coat the pieces well

Add the green onions and sesame seeds.

Serve on a bed of rice, accompanied by sautéed vegetables.