Preheat oven to 400°F (200°C) and line a baking sheet with parchment paper.
- Toss sweet potatoes, butternut squash, and Brussels sprouts with olive oil, salt, and pepper. Spread in a single layer on the baking sheet.
- Roast vegetables for 25–30 minutes, stirring halfway, until tender and caramelized.
- While vegetables roast, massage chopped kale with lemon juice and a pinch of salt until slightly softened.
- Assemble bowls with a base of wild rice, topped with kale and roasted vegetables.
- Drizzle with tahini or vinaigrette and finish with optional toppings. Serve warm or at room temperature.