This butternut squash and quinoa casserole is a healthy and flavorful dish that is perfect for a vegetarian dinner. The butternut squash is roasted until tender and then mixed with cooked quinoa, sautéed onions, garlic, and a blend of spices. The mixture is then topped with a layer of melted cheese and baked until golden and bubbly. The combination of the sweet butternut squash, nutty quinoa, and melted cheese creates a satisfying and nutritious casserole that is packed with protein and fiber. Serve it with a side of mixed greens or roasted vegetables for a complete and balanced meal.