In a medium bowl add the garlic, ginger, soy sauce, chilli sauce, 2 tbps sesame oil, vinegar, and sugar. Whisk or stir until it's smooth. Set aside;
Sandwich the Tofu between two paper towels and gentle press slowly to remove the extra moisture without cracking the tofu;
Cut the tofu into 1 cm square blocks, lay on a tray lined with baking paper;
Add half of the marinate to the tofu, leave for 15 mins;
Drain any marinade that has not been absorbed;
In a small bowl whisk together the cornstarch and baking powder;
Coat the tofu in the mixture, drizzle over the remaining sesame oil;
Bake in oven for 15 mins;
Reduce temperature to150°C, toss the tofu & bake for another 15 mins;