01 - Preheat oven to 425°F. Line a large baking sheet with parchment paper.
02 - Arrange zucchini, bell pepper, red onion, cherry tomatoes, and carrot on baking sheet. Drizzle with olive oil and sprinkle smoked paprika, salt, and black pepper. Toss to coat evenly.
03 - Roast vegetables for 25 to 30 minutes, stirring once halfway through, until tender and golden.
04 - Meanwhile, combine quinoa, water, and salt in a medium saucepan. Bring to a boil, reduce heat to low, cover, and simmer for 15 minutes or until water is absorbed. Remove from heat and let stand, covered, for 5 minutes. Fluff with a fork.
05 - In a small bowl, whisk tahini, lemon juice, olive oil, maple syrup, minced garlic, salt, and water until smooth and pourable.
06 - Divide quinoa evenly among 4 bowls. Top with roasted vegetables and drizzle with tahini dressing.
07 - Garnish with chopped parsley, toasted sesame seeds, avocado slices, and lemon wedges as desired. Serve warm or at room temperature.