Slow Cooker Onion Soup
- Category: Onion Soup
- Author: Plain ole Bob
- Rating: 4.29
- Prep time: 15 min
- Cook time: 255 min
Ingredients
- ¼ cup butter, melted
- 1 large sweet onion (such as Vidalia®), cut into thin slivers
- 1 small red onion, cut into thin slivers
- 2 cloves garlic, minced
- 4 cups beef stock
- 3 tablespoons brandy
- 2 teaspoons soy sauce
- 2 teaspoons Worcestershire sauce
- salt and ground black pepper to taste
- 2 cups Italian-style seasoned croutons
- 3 slices provolone cheese