How to make French onion soup in a slow cooker (video)

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French onion soup is a restaurant classic for a reason - it's an "everyone's favorite," but it can be time-consuming to make at home. That's why making it in a slow cooker will save you the trouble of waiting for things to cook. All you need to do is set these ingredients in the slow cooker and start the timer.
The onions will develop even more flavor while adding to the broth, as the entire thing cooks away for several hours. And if you really want to get that true "pick the broiled cheese off the side of the mug" feeling that you get with true restaurant-served French onion soup, just ladle the soup into ovenproof mugs before adding the cheese and croutons and popping it all under the broiler!
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Cooktop Cove
Slow Cooker French Onion Soup
6
10 minutes
8 hours 15 minutes
8 hours 25 minutes
4 large onions, sliced
2 tablespoons (45 ml) butter
1 teaspoon sugar
2 quarts beef broth, no sodium added
1/4 cup sherry
2 sprigs fresh thyme
1½ teaspoons salt
Pepper to taste
1 cup (500 ml) croutons plain
8 ounces (236 ml) gruyere cheese, sliced (can substitute with swiss if needed)
Place onions, butter, sugar, and salt into the bottom of a 6-quart slow cooker. Cover and cook for 7 hours on high or until onions are soft and brown.
Add beef broth, sherry, thyme sprigs, and pepper to taste. Cover. Cook on high for another hour. Sprinkle croutons across the surface of the soup. Add sliced gruyere cheese and serve.
Pro tip: Cook for another 15 minutes to melt cheese even further.
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Resources Betty Crocker
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May 24   ·  
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This slow cooker casserole is a perfect side dish for nights when your stovetop is overcrowded, or when you simply don't want to heat up the house.
May 19   ·  
Prep time takes just 10-15 minutes, and all you have to do is brown the meat then toss the rest of your ingredients into the slow cooker so it can work its magic all day long.
May 18   ·  
 
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