Press tofu for 15 minutes to remove excess moisture, then cut into 1-inch cubes.
In a bowl, toss tofu with arrowroot powder, salt, and pepper until evenly coated.
Whisk tamari, maple syrup, rice vinegar, ginger, and garlic in a small bowl to create the sauce.
Heat sesame oil in a large non-stick skillet over medium-high heat and sear tofu until golden and crispy on all sides.
Add broccoli, bell pepper, and edamame to the skillet, sautéing for 3-4 minutes until tender-crisp.
Pour the sauce over the mixture and stir for 1 minute until thickened and glossy.
Garnish with sesame seeds and serve immediately.