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Slow Cooker French Onion Soup

Related recipes: Soup, Quick and Easy
Slow Cooker French Onion Soup: Main Image

Quick Facts

Servings: 6
Prep Time: 35 min.
Cook Time: 4 hr. 15 min.
Total: 4 hr. 50 min.
A super easy way to make a classic. Made even better with the addition of slices of cheesy sourdough bread!

Ingredients

  • 2 lbs yellow onions, trimmed, halved, and sliced
  • 1 32 oz box low-sodium beef broth
  • 2 tsp dried thyme
  • 1/2 cup white wine or water
  • 2 Tbs flour
  • 6 thick slices sour dough bread, crusts trimmed
  • 1/2 cup grated Parmesan or Swiss cheese
  • Cracked black pepper, to taste

Directions

  • Place onions into a 5- or 6-quart slow cooker. Add broth and thyme and stir.
  • Cover with lid and cook on high setting for 3 to 4 hours, or until onions are tender.
  • Mix white wine (or water) with flour and stir into the slow cooker.
  • Cover and continue to cook on high setting for 1 hour longer or until thickened.
  • Before serving, place bread slices on a baking sheet and top with cheese; broil until cheese is bubbly.
  • To serve, ladle soup into shallow bowls. Place one slice of hot cheesy bread into each bowl and sprinkle with pepper to taste.

Nutrition Facts

Calories 243
  Calories from Fat 39 (16%)
(7%)Total Fat 5g
(10%)Saturated Fat 2g
Poly-Unsaturated Fat 1g
Mono-Unsaturated Fat 2g
(2%)Cholesterol 7mg
(16%)Sodium 390mg
(12%)Potassium 420mg
Total Carbohydrate 38g
(14%)Dietary Fibre 3g
Sugars 7g
Sugar Alcohols 0g
(22%)Protein 11g
* Percent Daily Values are based on a 2,000 calorie diet.
Nutrition facts are calculated by a food expert using nutritional values provided by the USDA for common products used as recipe ingredients. Actual nutritional values may differ depending on the amounts or products used and can be affected by cooking methods.

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The information presented here is for informational purposes only and was created by a team of US–registered dietitians and food experts. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements, making dietary changes, or before making any changes in prescribed medications. Information expires December 2024.