Slow Cooker French Onion Soup Recipe

Today’s post is brought to you by my husband.  He loves French onion soup and has had time recently to play around with making it in a slow cooker.  His biggest lesson learned about making any kind of French onion soup is to TASTE EACH OF THE ONIONS YOU USE IN THE SOUP TO MAKE SURE THEIR FLAVOR IS WHAT YOU LIKE.  He recently had a whole batch of soup ruined by an extremely strong, aggressive He uses a couple of different types of onions, but it can be made with just one of the types if you prefer.  Or, you can add a third type to the mix, the red onion.  I think different types of onions just seem to add a little more complexity to the flavor of the For me though, the most important part of the soup (and my favorite part) is…