Cream of Roasted Cauliflower Soup

Ingredients

• 2 heads of cauliflower cut into bite-sized pieces (about 3 pounds)
• ¼ cup olive oil
• 1 teaspoon salt
• ½ teaspoon pepper
• 1 large onion, diced small
• ¼ cup butter
• 1/3 cup flour
• 4 garlic cloves, minced
• ¾ cup heavy cream
• 1 ¼ cup milk
• 3 ½ cups chicken broth
• 1 tsp Dijon mustard
• 1/8 teaspoon cayenne pepper
• 1 ½ cups shredded cheddar cheese
• Bacon bits
• Green onions
• Croutons