Preheat oven to 425°F.
Toss butternut squash and cauliflower with olive oil, salt, pepper, and garlic powder.
Roast veggies and salmon for 20–25 minutes until golden and cooked through.
While roasting, whisk tahini, lemon juice, olive oil, honey, garlic, water, and salt until smooth.
Massage kale with olive oil until soft.
Combine roasted veggies, quinoa, apple, and walnuts with kale.
Top salad with salmon and drizzle with tahini dressing.