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Crockpot French Onion Soup
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Crockpot French Onion Soup
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The classic favorite gets a simple makeover using the slow cooker.  Now you can have French Onion Soup without standing over the stove top. Just pop in the oven with crusty bread and cheese before serving!

Prep time
Bake/Cook time
5:00 to 7:00
8 - 10 servings
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Crockpot French Onion Soup
Light Brown Sugar
Prep time :
Bake/Cook time :
5:00 to 7:00
Yield :
8 - 10 servings


  • 3 large sweet onions, sliced
  • 2 tablespoons minced garlic
  • 1/4 cup (1/2 stick) butter, melted
  • 1 tablespoon balsamic vinegar
  • 2 tablespoons Imperial Sugar Light Brown Sugar
  • 3 tablespoons flour
  • 8 ounces red wine, beer or dark soda
  • 64 ounces beef stock
  • Salt and pepper, to taste
  • French loaf, sliced thick into 8-10 pieces
  • 8-10 slices provolone cheese


  1. Set slow cooker on high.  Add onions, garlic, butter, vinegar, and brown sugar and stir until well combined.
  2. Cover with lid and allow to cook for one hour, stirring occasionally, until onions lightly browned and aromatic. Add flour, stirring to combine.
  3. After 5-10 minutes, pour in wine, beer or soda, as well as beef stock, salt and pepper. Reduce heat to low and cook for 4-6 hours.
  4. When ready to serve, fill individual soup bowl with prepared soup and place slice of toasted French bread on top of each.  Top with cheese. Place under oven broiler for 2-3 minutes, or until cheese is golden and bubbling.  Serve hot.


Recipe developed for Imperial Sugar by Susan Whetzel @doughmesstic.

This Crockpot French Onion Soup recipe has been submitted by one of our Imperial Sugar friends and has not been tested in our kitchen. If you have any problems with this recipe, or would like to give us your feedback, please email us by clicking here.

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