- 6 tablespoons butter
- 4 large yellow onions, sliced and separated into rings
- 1 tablespoon white sugar
- 2 cloves garlic, minced
- 1/2 cup cooking sherry
- 7 cups reduced-sodium beef broth
- 1 teaspoon sea salt, or to taste
- 1/4 teaspoon dried thyme
- 1 bay leaf
- 8 slices of French bread
- 1/2 cup shredded Gruyere cheese
- 1/3 cup shredded Emmental cheese
- 1/4 cup freshly shredded Parmesan cheese
- 2 tablespoons shredded mozzarella cheese
- Heat butter in a large, heavy pot over medium-high heat; cook and stir onions until they become translucent, about 10 minutes. Sprinkle onions with sugar; reduce heat to medium. Cook, stirring constantly, until onions are soft and browned, at least 30 minutes. Stir in garlic and cook until fragrant, about 1 minute.
- Stir sherry into onion mixture and scrape bottom of pot to dissolve small bits of browned food from the pot. Transfer onions into a slow cooker and pour in beef broth. Season to taste with sea salt; stir in thyme and bay leaf. Cover cooker, set on High, and cook 4 to 6 hours. If desired, set on Low and cook 8 to 10 hours.
- About 10 minutes before serving, set oven rack about 8 inches from the heat source and preheat the oven's broiler. Arrange bread slices on a baking sheet.
- Broil bread slices until toasted, 1 to 2 minutes per side.
- Combine Gruyere, Emmental, Parmesan, and mozzarella cheeses in a bowl, tossing lightly. Fill oven-safe soup crocks 3/4 full of onion soup and float a bread slice in each bowl. Top with about 2 tablespoons of cheese mixture per serving.
- Place filled bowls onto a baking sheet and broil until cheese topping is lightly browned and bubbling, about 2 minutes.
03/27/2017
recipepes.com
Slow Cooker French Onion Soup, recipe
PT15M
PT1H
5
455 calories
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