slow cooker french onion soup recipe

The Best slow cooker french onion soup recipe

I love slow cooker French onion soup recipe because it’s a perfect blend of flavors and textures. The aroma of caramelized onions, the sweetness of the beef broth, and the richness of the cheese all come together to create a dish that’s both comforting and sophisticated.

My family and kids can’t get enough of it, and it’s become a staple in our household. I make it for special occasions like holidays and birthdays, but also for everyday meals because it’s so easy to prepare and customize to our tastes.

One of the best things about this recipe is that it’s incredibly healthy, with minimal added salt and sugar, making it a great option for those looking for a guilt-free meal. The slow cooker does all the work, allowing me to come home to a hot, steaming bowl of goodness that’s ready to devour.

I’ve made this recipe countless times, but I still get excited every time I take my first sip – it never gets old! It’s one of those recipes that’s easy to make yet impressive enough for company.

Plus, it’s a great way to use up any leftover bread or croutons we have on hand.

Slow Cooker French Onion Soup Recipe

4.6 from 1200 votes

A comforting classic with rich, caramelized onions and melted cheese. This slow cooker version is easy to prepare and perfect for a cozy dinner.

Prep Time15 mins
Cook Time6 hrs 30 mins
Resting Time0 mins
Total Time6 hrs 45 mins
Servings: 4Cuisine: InternationalCalories: 350 kcal

πŸ₯˜Ingredients

Ingredients

2 tbsp butter
4 lbs yellow onions, thinly sliced
2 cloves garlic, minced
1 tsp salt
1/2 tsp black pepper
1 tsp dried thyme
4 cups beef broth
2 cups red wine
1 baguette, sliced
1 cup grated Gruyère cheese

πŸ‘¨β€πŸ³Directions

1Place butter in the slow cooker and turn it on high.
2Add onions and cook for 30 minutes, stirring occasionally until the onions are soft and translucent.
3Add garlic, salt, black pepper, and thyme to the slow cooker.
4Stir well to combine.
5Cook for another 30 minutes, stirring occasionally until the onions are golden brown and starting to caramelize.
6Pour in beef broth and red wine.
7Stir to combine.
8Reduce the heat to low, cover, and let it cook for 6 hours, stirring occasionally.
9Preheat the broiler to high.
10Ladle the soup into oven-safe bowls.
11Top each bowl with a slice of baguette and sprinkle with Gruyère cheese.
12Place the bowls under the broiler for 2-3 minutes, or until the cheese is melted and bubbly and the bread is toasted.

πŸ”§Equipment

Slow cooker
Spoon
Bowl
Cheese grater

πŸ“ŠNutrition Facts (per serving)

πŸ”₯Calories: 350 kcal🧈Total Fat: 10gπŸ’›Saturated Fat: 6g❀️Cholesterol: 30mgπŸ§‚Sodium: 1200mg🌾Total Carbs: 35gπŸ₯¦Dietary Fiber: 5g🍬Sugars: 10gπŸ₯©Protein: 20g

πŸ“Notes

Tips: For a deeper flavor, use a dry red wine such as Cabernet Sauvignon. Add a bay leaf during cooking for extra aroma.

This slow cooker French onion soup recipe is always a good idea for any occasion – whether you’re hosting guests or just want something comforting after a long day.

One thing I love about this recipe is how versatile it is; you can customize it with various toppings like croutons or grated cheese to suit your taste preferences.

It’s also incredibly easy to store leftovers in an airtight container in the fridge or reheat them when needed – making it perfect for busy families like mine.

❓ Frequently Asked Questions About Slow Cooker French Onion Soup

Q: What is the origin of French onion soup?

French onion soup has its roots in France, where it was first created as a peasant dish made with scraps of bread and onions. Over time, it evolved into a more refined version using high-quality ingredients like beef broth and topped with melted cheese.

Q: Can I make this recipe without a slow cooker?

Sure! You can cook the onions on the stovetop or in the oven before transferring them to a pot or Dutch oven for finishing. However, keep in mind that this will add extra steps and time to your preparation.

Q: Is this recipe suitable for vegetarians?

This recipe is not vegetarian-friendly due to the presence of beef broth. However, you can easily substitute with vegetable broth or a mushroom-based broth for a vegan option.

Q: Can I use store-bought beef broth instead of homemade?

Sure! Store-bought beef broth will give you a similar flavor profile without having to spend hours simmering your own stock.

Q: How do I reheat leftover soup without burning the cheese?

To reheat leftover soup without burning the cheese, transfer it to an oven-safe container and place it under the broiler until warmed through. Alternatively, you can reheat in small batches on the stovetop over low heat while stirring constantly.

Q: Can I freeze this soup for later use?

Nope! This soup doesn’t freeze well due to its texture and consistency changing once thawed. Instead, consider portioning out individual servings into freezer-safe containers or zip-top bags for future meals.

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