Roasted Cauliflower Soup

Ingredients (8)

• + 2 heads cauliflower, broken into florets add to pantry
• + olive oil cooking spray add to pantry
• + ¼ cup olive oil add to pantry
• + 1 large onion, chopped add to pantry
• ✓ 4 cloves garlic, chopped
• ✓ 6 cups water
• + salt and ground black pepper to taste add to pantry
• ✓ salt and ground black pepper to taste