Velvety, deeply savory, naturally sweet from oven-caramelized vegetables, and brimming with tender white beans, this Roasted Garlic Cauliflower and Bean Soup is the ultimate plant-based comfort meal! Made by roasting cauliflower florets and an entire halved head of garlic until golden, blending them with sautéed onions and carrots into a silky dairy-free base, and simmering with protein-packed white beans, this cauliflower white bean soup delivers bistro-level flavor with everyday pantry staples.