Preheat oven to 400 degrees
Place cauliflower, onions into a large bowl. Add olive oil, salt, pepper and stir until coated. Pour out onto a parchment lined rimmed cookie sheet. Wrap garlic cloves with about 1 tsp. olive oil in aluminum foil and add to cookie sheet and roast for 25-35 minutes or until vegetables are soft.
Place roasted vegetables and garlic into a large Dutch oven, add broth, ginger, coriander, and white beans and blend with an emersion blender until creamy. Add coconut milk and honey and heat through. Adjust seasonings as needed and serve with Lost Soul wafer paper skull and a ghostly swirl of coconut milk and pepper.