Here is one we want to give a try soon from EatingWell.
Reference Link:
Cauliflower Soup:

1. In a blender or food processor, combine cauliflower, 2/3 cup broth, garlic powder and pepper. Cover and blend until smooth.

2. Transfer to a small saucepan. Bring just to boiling over medium heat. Whisk in cream cheese and enough of the remaining broth to reach desired consistency; heat through.

3. To serve, top soup with yogurt, bacon, parsley and lemon zest.

Tips

To make ahead: Prepare through Step 2, cover and refrigerate for up to 3 days or freeze for up to 3 months. Reheat in the microwave or on the stovetop and garnish with yogurt, bacon, parsley and lemon zest before serving.

Jeannie notes.. Above is curated for evaluation and recommendation from EatingWell

Read full article here:
Cauliflower Soup

reco low-cal