01 - Slice the tempeh into 1/2-inch thick strips or cubes for even cooking.
02 - In a shallow bowl, whisk together 2 tbsp soy sauce, 1 tbsp rice vinegar, and 1 tbsp maple syrup until well combined.
03 - Add the tempeh pieces to the marinade, ensuring they are well coated. Let marinate for 10 minutes, turning occasionally to distribute flavor evenly.
04 - Heat 2 tbsp vegetable oil in a large skillet over medium heat. Add the marinated tempeh and cook for 3–4 minutes per side until golden brown and crispy. Transfer to a plate and set aside.
05 - In a small bowl, combine sweet chili sauce, 2 tbsp soy sauce, 1 tbsp rice vinegar, and lime juice. For a thicker glaze, dissolve cornstarch in 1 tbsp water and stir into the mixture.
06 - Pour the glaze into the same skillet and bring to a gentle simmer over medium heat. If using cornstarch, cook for 1–2 minutes until slightly thickened.
07 - Return the crispy tempeh to the skillet and toss gently to coat evenly in the glaze. Cook for an additional 2–3 minutes, turning pieces to ensure complete coverage.
08 - Transfer the glazed tempeh to a serving platter. Sprinkle with sliced green onions, toasted sesame seeds, and fresh cilantro leaves if desired.