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Crock Pot French Onion Soup

Feb 19, 2026

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Crock Pot French Onion Soup

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Ingredients

  • 3lb of cooking onions, sliced
  • 3 sprigs fresh thyme
  • 1 cup red wine
  • 1/4 cup butter
  • 3 tablespoons soya sauce
  • 3 tablespoons balsamic vinegar
  • 1 tablespoon brown sugar
  • 1/4 cup all purpose flour
  • 1 teaspoon pepper
  • 6 cups beef broth
  • 1 Baguette, sliced and toasted
  • 1 Cup grated Swiss cheese

Instructions

  1. To a slow cooker, add the onions, thyme, red wine, butter, soya sauce, balsamic vinegar, brown sugar,flour and pepper. Set the temperature to high, and cook for 5 hours.
  2. Open the slow cooker and stir everything together. Pour in the 6 cups of beef broth, stir everything together. Warm through for 5 minutes to bring up to temperature.
  3. Ladle some soup into bowls. Top with the toasted baguette, sprinkle cheese over the top. Place the soup bowls on a baking sheet,
  4. Turn the broiler to low, broil the soup for 5-6 minutes until the cheese is melted and golden brown.

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Meet the Author

Andrea Buckett

Andrea Buckett is a celebrity chef, bestselling cookbook author, and trusted Canadian food expert known for flavour-forward recipes and practical kitchen tips. You can catch her as a featured anchor on CTV’s The Good Stuff with Mary Berg and on programs like ETalk, CTV Your Morning, and Breakfast Television Toronto. She has partnered with top Canadian brands including Canada Beef, Turkey Farmers of Canada, Egg Farmers of Ontario, Farm Boy, and Roots, and appears at major food festivals and culinary events across the country.

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