Press the extra firm tofu for 15 minutes to remove excess moisture, then cut into 1-inch cubes.
In a small bowl, whisk together the tamari, rice vinegar, and freshly grated ginger to create the stir-fry sauce base.
Heat the toasted sesame oil in a large non-stick skillet or wok over medium-high heat.
Add the tofu cubes to the skillet and sear until golden brown and crispy on all sides, approximately 8 to 10 minutes.
Add the broccoli florets, sliced red bell pepper, and shelled edamame to the pan, sautéing for 5 minutes until the vegetables are tender-crisp.
Stir in the minced garlic and cook for 1 minute until highly fragrant.
Pour the prepared sauce over the tofu and vegetables, tossing well to coat everything evenly as the sauce thickens slightly.
Season the dish with sea salt and black pepper, then garnish with sesame seeds before serving hot.