Favorite Slow Cooker French Onion Soup

Favorite Slow Cooker French Onion Soup

We may earn money or products from the companies mentioned in this post.

Favorite Slow Cooker French Onion Soup

Favorite Slow Cooker French Onion Soup is so easy and delicious. The slow cooker does all the work for you, even eliminates the tedious job of caramelizing the onions. After long hours on low heat, the sliced onions become soft and have a jammy consistency with a rich, dark brown color. This soup will need to be started early in the day and finished off later on. You will be rewarded with eight hours of delicious smells.

favorite slow cooker french

Perfectly Delicious

Get ready for this slow cooker French onion soup to be the most requested soup in your home. In fact, bring a crock-pot of this soup to the next pot luck and see how fast it disappears. Do you have New Year’s Eve Plans?? Bring a slow cooker filled with Slow Cooker French Onion Soup and watch it disappear. If you do plan on bringing French onion soup to the New Years Eve Festivities, below you’ll find a few things to remember when transporting soup.

favorite slow cooker french

Things To Remember

When transporting soup that will be heated and served from a slow cooker, ladle the soup into a gallon or larger size ziplock plastic baggie. Place the filled baggie in the slow cooker and transport the soup to your destination. If you’re planning on bringing this delicious French Onion Soup, and I suggest that you do, bring along with you a large 4 cup size bag of shredded mozzarella cheese. Most super market grocery stores carry garlic toasts, so pick up a large package. Use them to float on top of your soup.

When you get to your destination, pour the contents from the baggie into the slow cooker, turn it on high, and let it work it’s magic. Within an hour to hour and a half, the soup should be plenty hot enough to serve. Now as far as the slow cooker goes. There are a few options here that you can do. Buy your hostess a brand new slow cooker, re-gift one of your own slow cookers, pick-up a slow cooker at a thrift store and re-gift it (make sure it works:) Or simply bring home a dirty slow cooker. Personally, I’ve done all four options.

This soup is made with: Sweet Vidalia Onions, Swanson’s Beef Broth  and Emmi Le Gruyere Cheese.

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favorite slow cooker french
Favorite Slow Cooker French Onion Soup
Prep Time
15 mins
Cook Time
12 hrs
Total Time
12 hrs 15 mins
 

Delicious!

Course: Slow Cooker, Soup
Cuisine: All-American, French
Keyword: beef broth, cheese, onions
Servings: 8 servings
Ingredients
  • 1/4 cup unsalted butter
  • 6 sprigs fresh thyme
  • 2 bay leaves
  • 16 cups vertically sliced large sweet onions
  • 1 tablespoon sugar
  • 6 cups unsalted beef stock, homemade or pre-made
  • 2 tablespoons red wine vinegar
  • 1 1/2 teaspoons kosher salt
  • 1 teaspoon black pepper
  • 24 1/2-inch slices French baguette, buttered and toasted
  • 1 1/4 cups shredded Gruyère or mozzarella cheese
Directions
  1. In the bottom of a 5 or 6 quart slow cooker, add butter, thyme sprigs bay leaves, sliced onions and sugar. Turn slow cooker to low and cook for 8-10 hours.

  2. To the onion mixture in slow cooker, add beef stock, red wine vinegar, salt and pepper. Heat on high until hot. Meanwhile place oven rack at least 6 inches under broiler. Preheat broiler. Butter one side of baguette slices. Place slices, buttered side up on baking sheet. Place baking sheet under broiler. Broil slices just until toasted.

  3. To Serve: Ladle hot French onion soup into oven-proof soup bowls. Float one or two slices of toasted baguette slices on top of soup. Sprinkle shredded cheese over the top. Place under the broiler until the cheese is melted and bubbly.

Recipe Notes

Recipe Note: 16 cups equals roughly 5 lbs of onions.

Recipes On Tap:

More Recipes: Twenty-four Hour Salad is always a party favorite and start 2020 off right with a few “good luck” tips found here: Lentils and Ham New Year Traditions. Recent Recipe: Ground Turkey and Spinach Lasagna


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2 thoughts on “Favorite Slow Cooker French Onion Soup”

  • I have two comments. In your post, you mention the onions being cooked on low, but in the instructions you say to cook on high. Also, do you have any idea just how many onions (number and/or weight) I would need to get 16 cups of sliced onions? I have been wanting to make French onion soup and would love to be able to make it in my multi-cooker. I just need some clarification.

    • Hello Linda, 16 cups of sliced onions equals roughly 5 lbs of onions. Thank you for pointing out my recipe error. It is on low:) Have a Happy New Year, Lynn

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