Cover tofu with 2-3 layers of paper towel and press it with a pan .(do not use very heavy object ,tofu can break easily)
Cut it into square pieces .
Coat it with the oil(1 tsp).Mix garlic powder ,salt ,and pepper .Mix it nicely.
Now add corn starch with tofu .It will be just enough to coat tofu lightly .
Take a pan .Add oil to it .
Shallow fry tofu in it.
You can air fry tofu on 370 f for 7-8 minutes if you want .You can bake as well .Sometimes people just want to use tofu ,without any coating ,that is also fine. Do not use corn flour in that case.
When it looks little crispy remove it in a plate .It depends on your personal preference.
Take a bowl .Mix Soy Sauce .brown sugar, chilli paste ,sriracha together .Whisk it
Take a pan /Wok.
Add oil to it.
Add chopped Garlic and Chopped chilli to it .When they look light brown add green onion to it .Saute once and add our mixed sauce to it.
Stir it carefully and add water mixed with Corn starch. Stir it for 2-3 minute till the sauce starts bubbling .
When it starts thickening add tofu to it. Coat tofu with sauce nicely.
Garnish with sesame seeds and green onion and serve.
Goes well with white rice ,steamed vegetables even Naan bread.