01 - 
                Heat oven to 400°F. Line baking sheet with parchment paper.
              
              
              
                02 - 
                Toss cauliflower with oil, salt and pepper. Cut top off garlic head, wrap in foil with oil. Place both on baking sheet.
              
              
              
                03 - 
                Roast cauliflower and garlic 30-35 minutes, flipping cauliflower halfway, until golden.
              
              
              
                04 - 
                Sauté diced onion in oil for 5-8 minutes until translucent.
              
              
              
                05 - 
                Blend onion, roasted cauliflower, squeezed roasted garlic, broth, salt and pepper until smooth.
              
              
              
                06 - 
                Return to pot, add cheese and simmer 10-15 minutes. Garnish with green onions and extra cheese.