Remove the tofu from the package and press between paper towels for 15 minutes to remove excess moisture, then cut into 1-inch cubes.
In a medium bowl, whisk together the tamari, rice vinegar, minced ginger, and minced garlic to create the stir-fry sauce.
Place the tofu cubes in a separate bowl and toss with cornstarch, sea salt, and black pepper until evenly coated.
Heat the toasted sesame oil in a large non-stick skillet or wok over medium-high heat.
Add the tofu to the skillet in a single layer and sear for 3-4 minutes per side until golden brown and crispy.
Add the broccoli florets, shelled edamame, and sliced red bell pepper to the skillet with the tofu.
Sauté the vegetables for 5 minutes until they are tender-crisp and bright in color.
Pour the prepared sauce over the tofu and vegetables, tossing constantly for 1-2 minutes until the sauce thickens and coats everything.
Remove from heat and garnish with sesame seeds before serving hot.