Preheat your oven to 400°F (200°C) and line a large baking sheet with parchment paper.
Drain the extra firm tofu and press it between paper towels for 10 minutes to remove excess moisture, then cut into 1/2-inch cubes.
Rinse and drain the chickpeas, patting them dry with a towel to ensure they get crispy in the oven.
Slice the zucchini into half-moons and chop the broccoli into bite-sized florets.
In a large mixing bowl, toss the tofu, chickpeas, broccoli, and zucchini with avocado oil, garlic powder, onion powder, sea salt, and black pepper until evenly coated.
Spread the mixture in a single layer on the prepared baking sheet, ensuring enough space for air to circulate.
Roast for 25-30 minutes, tossing halfway through, until the vegetables are tender and the tofu is golden and crisp.
Remove from the oven and immediately sprinkle with nutritional yeast and hemp seeds while still hot.
Drizzle with fresh lemon juice before serving in a large bowl.