Press the tofu for 15 minutes to remove excess moisture, then cut into 1-inch cubes.
Heat a large non-stick skillet over medium-high heat and add the sesame oil.
Sear the tofu cubes for 8-10 minutes, turning occasionally until all sides are golden brown and crispy.
Add the broccoli, sliced bell peppers, and edamame to the pan, sautéing for 5 minutes until tender-crisp.
Stir in the minced garlic and grated ginger, cooking for 1 minute until fragrant.
Whisk together the tamari and rice vinegar in a small bowl, then pour over the stir-fry.
Toss everything to coat evenly and cook for another 2 minutes until the sauce slightly thickens.
Season with sea salt and black pepper, then garnish with sesame seeds before serving.