Preheat your oven to 425°F and line a sheet pan with parchment paper.
Rinse and drain the chickpeas, then pat them dry with a paper towel. Place them in a bowl and toss with a pinch of salt, pepper, and dried oregano.
Cut the extra firm tofu into 1-inch cubes. In a separate bowl, season the tofu lightly with salt and pepper.
Chop the broccoli into florets, slice the red bell pepper into strips, thinly slice the red onion, and cut the zucchini into half-moons.
Combine all the chopped vegetables with the tofu and chickpeas on the sheet pan. Drizzle lightly with any desired oil if needed, and season with a little extra salt and pepper.
Roast in the oven for about 25-30 minutes, stirring halfway through, until the vegetables are tender and the chickpeas are crispy.
While the pan roasts, prepare the lemon-herb tahini sauce by whisking together tahini, lemon juice, minced garlic, and chopped fresh parsley. Add a tablespoon of water if needed to reach a smooth, drizzling consistency.
Once roasted, remove the sheet pan from the oven, drizzle the lemon-herb tahini sauce over the warm vegetables, and toss lightly to combine.
Serve immediately and enjoy your nutritious, flavorful meal.