1: In a mixing bowl, combine plain flour, corn flour, baking powder, onion powder, garlic powder, unsmoked paprika, salt, and black pepper.
2: In another bowl, mix plant milk with vinegar and let it sit for a few minutes.
3: Dredge the extra firm tofu in the flour mixture, then dip it into the milk mixture, and coat it again with the flour mixture.
4: Heat oil in a pan and fry the coated tofu nuggets until golden brown and crispy.
5: Remove and drain on paper towels. Serve hot.