Cook without stirring for 3-4 minutes or until a golden brown crust forms on the bottom of the tofu. Flip each piece and continue cooking for another 3-4 minutes until the other side is golden brown.
Add in the spices and stir to combine. Cook for an additional minute, remove from the heat.
½ teaspoon chili powder, ½ teaspoon ground cumin, ½ teaspoon sea salt
Divide the tofu between the warmed tortillas, top with the onion mixture and serve immediately.