01 - Preheat the air fryer to 400°F for 3 minutes.
02 - In a bowl, gently toss tofu cubes with cornstarch, olive oil, salt, and black pepper until evenly coated.
03 - Place tofu cubes in a single layer in the air fryer basket, working in batches if necessary.
04 - Air fry the tofu for 15 to 18 minutes, shaking the basket halfway through, until golden and crispy.
05 - Combine soy sauce, maple syrup, rice vinegar, sesame oil, garlic, and ginger in a small saucepan and bring to a simmer over medium heat.
06 - Stir in the cornstarch slurry and cook, whisking continuously, until the glaze thickens, about 1 to 2 minutes, then remove from heat.
07 - Transfer the crispy tofu to a large bowl and pour the warm soy glaze over it, gently tossing to coat evenly.
08 - Serve immediately, optionally garnished with toasted sesame seeds and sliced green onions.