Slow Cooker Onion Soup
Slow Cooker Onion Soup is a gluten free main course. This recipe serves 3. One serving contains 450 calories, 18g of protein, and 25g of fat. This recipe covers 15% of your daily requirements of vitamins and minerals. It is perfect for Autumn. A mixture of worcestershire sauce, brandy, butter, and a handful of other ingredients are all it takes to make this recipe so flavorful.
Instructions
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.
Pour beef stock, brandy, soy sauce, and Worcestershire sauce into slow cooker. Season with salt and black pepper.
Cook soup on High for 4 to 5 hours.
Preheat the oven's broiler and set the oven rack about 6 inches from the heat source.
Ladle the soup into 3 oven-proof bowls; top with croutons and a slice of Provolone per bowl.
Broil in the preheated oven until cheese melts and begins to brown, about 3 minutes.