French onion soup is simmered in the slow cooker, topped with croutons and provolone cheese, and broiled to bubbling perfection.
Preparation Time
15 mins
Cooking Time
4 hr
Total Time
4 hr 15 mins
Calories
498 Calories
Recipe Instructions
Step 1
Preheat the oven's broiler and set the oven rack about 6 inches from the heat source.
Step 2
Melt butter in a skillet over medium heat; cook and stir sweet onion and red onion in melted butter until softened, about 10 minutes. Cook and stir garlic into onion mixture until fragrant, about 2 minutes. Transfer to a slow cooker.
Step 3
Pour beef stock, brandy, soy sauce, and Worcestershire sauce into slow cooker. Season with salt and black pepper.
Step 4
Cook soup on High for 4 to 5 hours.
Step 5
Ladle the soup into 3 oven-proof bowls; top with croutons and a slice of Provolone per bowl.
Step 6
Broil in the preheated oven until cheese melts and begins to brown, about 3 minutes.
Ingredients
¼ cup butter, melted
2 teaspoons Worcestershire sauce
salt and ground black pepper to taste
2 cloves garlic, minced
3 tablespoons brandy
2 teaspoons soy sauce
4 cups beef stock
3 slices provolone cheese
1 large sweet onion (such as Vidalia®), cut into thin slivers
