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Let's Make Slow Cooker French Onion Soup
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The most delicious French Onion Soup cooked right in the crockpot. It's easy to make, packed with flavor, and makes a perfect lunch or dinner.
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Ingredients

  • 4 sweet onions, sliced
  • 2 tbsp butter
  • 1 tbsp Worcestershire sauce
  • 1 tbsp balsamic vinegar
  • 3 garlic cloves, minced
  • 2 tsp brown sugar (or Stevia)
  • 1/2 tsp pepper
  • 1/2 tsp salt
  • 3 tbsp all-purpose flour
  • 64 oz vegetable broth (or chicken broth or beef broth)
  • 2 tbsp fresh thyme
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Let's Watch Slow Cooker French Onion Soup
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Step 1 Set your crockpot to high and add the onions, butter, Worcestershire sauce, vinegar, garlic, brown sugar, salt, and pepper. Cook for 60 minutes until onions begin to brown and caramelize, stirring occasionally.
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Step 2 Stir in the flour and let cook for 5 more minutes.
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Step 3 Add the broth and thyme. Cook on low for 6-8 hours.
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Step 4 To serve with bread and cheese, slice a small piece of french bread (many people toast it first) and place on top of the soup. Cover with one slice of Swiss cheese and broil for 3 minutes.
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