1. Place cauliflower florets, garlic, celery, and onions in a large slow cooker. Pour in chicken broth and 2 cups of water. 2. Then add Rosemary's thyme, and bay leaf. 3. Season generously with salt and pepper. Cover slow cooker and cook on high for 1-2 hours or on low for 3-4 hours. Vegetables should be tender. 4. Remove and discard bay leaf. Then, working in batches, transfer soup to a large blender or food processor and pulse until desired consistency is reached. Return to slow cooker and mix in heavy cream and 1 1/2 cups cheddar cheese, stirring until smooth, 5. Taste and adjust seasoning if necessary. 6. Ladle soup into bowls and garnish with crumbled bacon,