Step 1

Add the potatoes, diced onions, chicken broth, seasonings, and butter to your slow cooker.

Step 2

Cook on low 4 to 6 hours, or on high 3-4 hours - until potatoes are soft.

Step 3

About 30 to an hour minutes before it is done, in a small mixing bowl whisk the heavy cream, sour cream, and the xanthan gum together. This will get thick.

Step 4

Stir into the soup.

Step 5

Cook the soup on high for 20 to 30 minutes until the soup thickens slightly.