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I just love a good French Onion Soup. The only thing I have found is that it is so expensive in restaurants. Really, how expensive is it to make something that is over 50% onion, and you will never believe this, but SUPER EASY TO MAKE?

Finding out just how easy it is to make was born from necessity. I used to stare longingly at it on restaurant menus, but it was so expensive and we were on a tight budget. My frugal self just couldn’t spend the money. For years I was daunted by that gourmet and glorious soup that was so valued it cost more than the other soups.

Then one day I slow cooked brats in mounds of potent onions, a bottle of beer, and beef broth, and discovered that it tasted just about like the french onion soup I had splurged on one time. That’s all it took. I started playing around with ingredients until I landed on this perfect French Onion Soup. Have I mentioned it’s easy?

My favorite way to make French Onion Soup is in the slow cooker. The longer you cook it the better it tastes. Mmmm, mmmm, mmmm. After hours of that delicious scent, Slow Cooker French Onion Soup is ready to be put into a bowl, topped with croutons and cheese, and put under the broiler for a minute. You can skip this part but isn’t that part of French Onion Soup’s identity?

Easy to make at home, Slow Cooker French Onion Soup doesn't have to be reserved for dinner out anymore.|

Oooh, and my FAVORITE part? Topping it with homemade croutons made with my whole wheat cheddar biscuits and aged gouda or swiss cheese. Oh, what a bite of heaven. And the BEST part? My kids don’t like it and that’s okay with me. It just means I get more leftovers.


Slow Cooker French Onion Soup

  • Author: Heather McCurdy


  • 10 large onions
  • 8 cloves garlic
  • 216 ounce bottles of dark beer
  • 232 ounces beef broth*
  • Optional: Cheese and croutons


  1. Slice onions thin.
  2. Mince garlic.
  3. Put all ingredients in the slow cooker on high for 8-10 hours.
  4. The longer it cooks the richer it gets.
  5. Before serving, place in broiler safe bowls, top with croutons and cheese, and set under broiler for 1-2 minutes.
  6. If you do not have a broiler safe dish, you can put in 400 degree oven for 10 minutes for that bubbly browned top.
  7. *NOTE: If you use homemade lower salt beef broth you may need to add a bit more salt.

Slow Cooker French Onion Soup with Homemade Croutons |

 If you aren’t in the mood for French Onion Soup there is always Chicken Couscous Soup, Butternut Squash Soup, or Slow Cooker Cauliflower Soup. I do love my soups. It is is the one redeeming quality of winter. Okay, okay. The snow does look quite pretty at times.


If we’re going shopping, how about a set of these crocks for our soup? These are on my wishlist, and this is an affiliate link.

**Real: The Kitchen and Beyond is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to**

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  1. I’ve never really thought about it – but you are right – french onion soup does sound pretty easy to make. And you can add as much cheese or croutons as you want.

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