**Step 3: Let it slow cook**
Cover and cook on low for 6-8 hours, stirring occasionally if possible. The onions will fully caramelize and the flavors will meld beautifully.
**Step 4: Prepare the toppings**
About 15 minutes before serving, preheat your oven broiler. Ladle the soup into oven-safe bowls, top with toasted baguette slices, and generously sprinkle with cheese.
**Step 5: Broil and serve**
Place the bowls under the broiler until the cheese bubbles and turns golden brown. Serve immediately and enjoy!
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### Why You’ll Love This Recipe
* **Hands-off cooking:** Slow cooker does most of the work while you relax.
* **Deep, rich flavor:** Long, slow cooking brings out the natural sweetness of onions.
* **Comfort food at its finest:** Warm, cheesy, savory goodness in every spoonful.
* **Perfect for entertaining:** Prepare in advance and finish with a quick broil just before serving.
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### Tips for the Best Slow Cooker French Onion Soup
* Use a good quality beef broth for the richest flavor.
* Don’t rush caramelizing onions on the stove; patience here pays off.
* If you prefer a vegetarian version, substitute beef broth with mushroom broth.
* Serve with a crisp green salad or roasted veggies for a full meal.
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### Final Thoughts
Slow Cooker French Onion Soup takes an elegant, classic dish and makes it accessible for busy days or casual dinner parties. With its rich flavors and irresistibly gooey cheese topping, it’s sure to become a favorite comfort food you’ll want to make again and again.
Ready to cozy up with a bowl of this soul-warming soup? Grab your slow cooker, and let’s get cooking!
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If you want, I can help you create a printable recipe card or suggest wine pairings to elevate your French onion soup experience!
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