Go Back

Slow Cooker Cream of Mushroom Soup

With just a few handy ingredients, this homemade slow cooker Cream of Mushroom Soup will delight the entire family and is a tasty budget dinner.
Servings 4
Author Marty's Musings


  • 1/4 cup margarine
  • 3 cloves minced garlic
  • 16 oz white mushrooms sliced
  • 1 small onion diced
  • Kosher salt and black pepper to taste
  • 1 cup white wine
  • 3 cups chicken broth
  • 2 cups heavy whipping cream
  • 2 tbs cornstarch


  • Add all ingredients except cornstarch to the slow cooker.
  • Cook on high for 3 hours or low for 5 hours.
  • Right before serving whisk in cornstarch to thicken.


I used homemade chicken broth but you could also use one chicken bouillon cube per one cup hot water or store bought carton.
Select the kind of mushroom you like best!