01 - Preheat oven to 400°F. Line a large baking sheet with parchment paper.
02 - In a large bowl, toss the drained chickpeas with olive oil, cumin, smoked paprika, coriander, turmeric, cinnamon, black pepper, garlic powder, onion powder, cayenne pepper (if using), and salt until evenly coated. Spread in a single layer on the prepared baking sheet. Roast for 20–25 minutes, shaking the pan halfway through, until the chickpeas are golden and crisp.
03 - While the chickpeas roast, whisk together the tahini, lemon juice, water, minced garlic, salt, and olive oil in a small bowl until smooth and creamy. Add additional water 1 tbsp at a time until the sauce reaches a drizzly, pourable consistency.
04 - Halve the cherry tomatoes, dice the cucumber, thinly slice the red onion, and chop the fresh parsley. Prepare the shredded lettuce or mixed greens and set out the pickled red cabbage or pickled onions.
05 - Divide the cooked rice, quinoa, or cauliflower rice among 4 bowls. Arrange the roasted chickpeas, lettuce, cucumber, tomatoes, red onion, pickled cabbage, and parsley over each portion of grains.
06 - Drizzle each bowl generously with the prepared tahini sauce. Serve immediately with lemon wedges on the side.