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Slow Cooker French Onion Soup is a game-changer for those chilly nights when you crave something warm and comforting. Imagine the rich aroma of caramelized onions mingling with dry white wine and beef broth, all simmering together for hours. Topped with toasted baguette slices and gooey gruyere cheese, this soup is a hug in a bowl. Ready to dive in? Let's get cooking!
The name of the recipe: Slow Cooker French Onion Soup Recipe
Ingredients:
- 4 large thinly sliced yellow onions
- 3 tbsp butter
- 2 cloves minced garlic
- 1 tbsp brown sugar
- 1 cup dry white wine
- 6 cups beef broth
- 1 tsp dried thyme
- 1 bay leaf
- to taste salt and pepper
- 1 baguette sliced and toasted
- 2 cups grated gruyere cheese
Instructions:
- Melt butter in a large skillet over medium heat. Add onions and cook until caramelized, about 20 minutes.
- Add garlic and brown sugar, cook for another minute.
- Pour in white wine to deglaze the pan, scraping up any browned bits.
- Transfer the onion mixture to the slow cooker. Add beef broth, thyme, bay leaf, salt, and pepper.
- Cover and cook on low for 7-8 hours.
- Before serving, remove bay leaf. Ladle soup into bowls, top with toasted baguette slices and grated gruyere cheese.
- Broil until cheese is melted and bubbly. Serve hot.
What You Will Need
Read more: Instant Pot French Onion Soup Recipe
What you will need to make slow cooker French onion soup
- Yellow onions: Caramelized onions provide a rich, sweet base, essential for the soup's deep flavor.
- Butter: Adds richness and helps caramelize the onions to perfection.
- Garlic: Enhances the soup with a subtle, aromatic depth.
- Brown sugar: Helps caramelize the onions, adding a touch of sweetness.
- White wine: Deglazes the pan, adding acidity and complexity to the soup.
- Beef broth: Forms the hearty, savory base of the soup.
- Dried thyme: Adds an earthy, aromatic note that complements the onions.
- Bay leaf: Infuses the soup with a subtle, herbal flavor.
- Baguette: Provides a crunchy, toasted base for the melted cheese topping.
- Gruyere cheese: Melts beautifully, adding a creamy, nutty finish to the soup.
Essential Tools and Instruments
What tools/instruments will be needed to make Slow Cooker French Onion Soup Recipe
- Skillet: Essential for caramelizing onions to achieve deep, rich flavor before transferring to the slow cooker.
- Slow cooker: Cooks the soup low and slow, allowing flavors to meld and develop over several hours.
- Garlic press: Quickly minces garlic, ensuring even distribution and consistent flavor throughout the soup.
- Ladle: Perfect for serving the soup into bowls without making a mess.
- Broiler: Melts and browns the cheese on top of the soup for a perfect finish.
Slow Cooker French Onion Soup Recipe
A classic French onion soup made easy with a slow cooker.
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Read more: French Onion Soup Casserole Recipe
Equipment
- Slow Cooker
- Knife
- Cutting board
- Large skillet
- Wooden Spoon
- Ladle
- Bowls
Ingredients:
Main Ingredients
- 4 large yellow onions thinly sliced
- 3 tbsp butter
- 2 cloves garlic minced
- 1 tbsp brown sugar
- 1 cup dry white wine
- 6 cups beef broth
- 1 tsp dried thyme
- to taste salt and pepper
- 2 cups grated Gruyere cheese
Instructions:
- 1. Melt butter in a large skillet over medium heat. Add onions and cook until caramelized, about 20 minutes.
- 2. Add garlic and brown sugar, cook for another minute.
- 3. Pour in white wine to deglaze the pan, scraping up any browned bits.
- 4. Transfer the onion mixture to the slow cooker. Add beef broth, thyme, bay leaf, salt, and pepper.
- 5. Cover and cook on low for 7-8 hours.
- 6. Before serving, remove bay leaf. Ladle soup into bowls, top with toasted baguette slices and grated Gruyere cheese.
- 7. Broil until cheese is melted and bubbly. Serve hot.
Notes:
For a richer flavor, use a combination of beef and chicken broth.
Read more: Slow Cooker French Dip Recipe
Nutrition value:
Calories: 250kcalCarbohydrates: 30gProtein: 10gFat: 10gSaturated Fat: 6gCholesterol: 30mgSodium: 800mgPotassium: 300mgFiber: 3gSugar: 8gVitamin A: 500IUVitamin C: 10mgCalcium: 200mgIron: 2mg
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Make Ahead and Freezing Instructions
Make Ahead Instructions
- Caramelize onions and let them cool.
- Store cooled onions in an airtight container.
- Refrigerate for up to 3 days.
- When ready, transfer onions to the slow cooker and follow the recipe.
Freezing Instructions
- Prepare soup as directed, but don't add bread or cheese.
- Let soup cool completely.
- Pour into freezer-safe containers, leaving space for expansion.
- Freeze for up to 3 months.
- Thaw in the fridge overnight before reheating.
- Reheat on the stove or in a slow cooker.
- Add toasted baguette slices and cheese before serving.
For a deeper flavor, try adding a splash of sherry or cognac to the onion mixture before transferring it to the slow cooker.
Frequently Asked Questions
FAQ:
How long does it take to caramelize the onions?
It takes about 20 minutes to caramelize the onions.
Can I use red onions instead of yellow?
Yes, but yellow onions are traditional for this recipe.
What can I substitute for dry white wine?
You can use apple cider vinegar or more beef broth.
How do I store leftovers?
Store in an airtight container in the fridge for up to 3 days.
Can I make this soup vegetarian?
Yes, substitute beef broth with vegetable broth.
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