Toss tofu, cornstarch, orange zest, salt, ground pepper, and all spice powder in a mixing bowl.

Set aside the tofu mixture.

Whisk together vinegar, brown sugar, orange juice, and sriracha sauce in another bowl.

Set aside the sauce mixture.

Heat sesame oil in a pan over medium heat.

Cook tofu in sesame oil until golden brown.

Add minced ginger and sauté for 2-3 minutes.

Pour in the vinegar and orange juice mixture.

Cook until the liquid has reduced and starts to look sticky.

Adjust spices if required.

Add sesame seeds and sauté for another minute.

Turn off heat and serve warm as a starter or side dish.