Best 5 Slow Cooked French Onion Soup Recipes

FRENCH ONION SOUP (SLOW COOKER)

Steps:

• Melt butter in a skillet over medium heat. Cook and stir onions in melted butter until clear and browned, 10 to 15 minutes; transfer to a slow cooker. Add beef broth, garlic, salt, and black pepper to the slow cooker.
• Cook on High for 4 hours or on Low for 8 hours.

SLOW-COOKED FRENCH ONION SOUP

Steps:

• Place butter in a 5-qt. slow cooker. Top with sweet and red onions; sprinkle with pepper. Cook, covered, on low until onions are tender, 5-6 hours., Stir in broth, water, wine, herbs and Worcestershire sauce. Cook, covered, on low until flavors are blended, 2-3 hours. Remove herb sprigs and bay leaf., To serve, preheat broiler. Place bread on a baking sheet; broil 4 in. from heat until lightly toasted, 1-2 minutes per side. Top bread with cheese; broil until cheese is melted, 1-2 minutes. Divide soup among eight bowls; top with cheese toasts and serve immediately.

SLOW-COOKER FRENCH ONION SOUP

Steps:

• Place onions and butter in a 1-1/2-qt. slow cooker coated with cooking spray. Cover and cook on low for 6 hours or until onions are tender. Stir in the broth, sherry and pepper. Cover and cook 2-3 hours longer or until heated through. , Ladle soup into ovenproof bowls. Top each with a slice of toast and a slice of cheese. Broil 4-6 in. from the heat for 2-3 minutes or until cheese is melted. Serve immediately.

SLOW COOKER FRENCH ONION SOUP

Steps:

• 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.

SLOW-COOKER FRENCH ONION SOUP

Steps:

• Place Reynolds™ Slow Cooker Liners inside a 5- to 6 1/2 -qt slow cooker bowl. Make sure that liner fits snugly against the bottom and sides of bowl and pull the top of the liner over rim of bowl.
• In lined slow cooker, mix onions and margarine.
• Cover and cook on high heat setting 30 to 35 minutes or until onions begin to slightly brown around edges.
• Mix flour, Worcestershire sauce, sugar and pepper. Stir flour mixture and broth into onions. Cover and cook on low heat setting 7 to 9 hours (or high heat setting 3 to 4 hours) or until onions are very tender.
• Prepare Cheesy Broiled French Bread. Place 1 slice bread on top of each bowl of soup. Serve immediately.