Best Slow Cooker French Onion Soup Recipes

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.

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.

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-COOKER BEEFY FRENCH ONION SOUP

Steps:

• Toss onions, butter and sugar in 5- to 6-quart slow cooker. Top with bay leaves and beef.
• Cover and cook on low heat setting 9 to 10 hours or until onions are deep brown.
• Stir in beef consommé, sherry, apple juice and thyme. Increase heat setting to high. Cover and cook 10 minutes or until hot. Remove bay leaves.
• To serve, spoon into ovenproof soup bowls and top each serving with slice of toast and 1/4 cup cheese. If desired, broil with tops 6 inches from heat 3 to 5 minutes or until cheese is bubbly and begins to brown.

SLOW-COOKER RUSTIC FRENCH ONION SOUP

Steps:

• Spray 6- to 7-quart slow cooker with cooking spray. In slow cooker, place onions, butter, salt, pepper and dried thyme. In medium bowl, mix flour, sherry and water with wire whisk until blended. Stir into onion mixture.
• Cover; cook on Low heat setting 9 to 10 hours or until onions are softened and deep brown.
• Stir broth into slow cooker. Increase heat setting to High. Cover; cook 10 minutes or until hot.
• Meanwhile, set oven control to broil. Line cookie sheet with foil. Arrange baguette slices in single layer on cookie sheet. Broil with tops 3 inches from heat 2 minutes, turning once, until lightly browned. Sprinkle cheese evenly over slices; broil 1 minute longer or until cheese is bubbly. Top each bowl of soup with 2 cheese toasts. Sprinkle with fresh thyme.

SLOW-COOKER FRENCH ONION SOUP(COOK'S COUNTRY)

Steps:

• COOK ONIONS Arrange beef bones on paper towel-lined plate. Microwave until well browned, 8 to 10 minutes. Meanwhile, set slow cooker to high. Add butter, cover, and cook until melted. Add onions, 2 teaspoons salt, 1 teaspoon pepper, brown sugar, and thyme. Stir flour, apple butter, sherry, and soy sauce together in small bowl until smooth. Pour over onions and toss to coat. Tuck bones under onions around edge of slow cooker. Cover and cook on high heat until onions are softened and deep golden brown, 10 to 12 hours. (Cooked onions can be refrigerated in airtight container for 1 day.).
• 2. FINISH SOUP Remove bones from slow cooker. Heat chicken and beef broth in microwave until beginning to boil. Stir into slow cooker. Season with salt and pepper.
• 3. MAKE CROUTONS Adjust oven rack to upper-middle position (about 6 inches from broiler element) and heat oven to 400 degrees. Arrange bread slices in single layer on baking sheet and bake until bread is golden at edges, about 10 minutes. Heat broiler. Divide cheese evenly among croutons and broil until melted and bubbly, 3 to 5 minutes.
• 4. SERVE SOUP Ladle soup into bowls and top each with 2 croutons. Serve.
• **Most soup recipes start by chopping or mincing onions. For this recipe, we wanted slices that would retain their shape through 10 to 12 hours of gentle simmering. We found that cutting onions with the grain (rather than across it) yielded slices durable enough for the slow cooker.

SLOW COOKER FRENCH ONION SOUP

Steps:

• In a large skillet on medium-high heat, melt butter. Add in onions and cook until see-through, stirring frequently (It takes about 10 minutes).
• Add in sugar, and reduce heat to medium. Stir the onions constantly, caramelizing them. It will take about 20-30 minutes.
• Add in the minced garlic and apple cider, and stir until warmed through.
• Transfer the onions to the slow cooker and add in beef broth and thyme. Cook on low for 6-8 hours.
• Before serving, place the french bread slices on a baking sheet and broil in the oven for 1-2 minutes (just until browned).
• In a small bowl, mix together the three cheeses.
• Pour soup in oven-safe bowls (the soup will serve 6-8), place a piece of french bread in each bowl, and then top each with a portion of cheese. Place each bowl on the cookie sheet, and broil for 2 more minutes, until the cheese starts to melt and brown.
• Serve hot.

5 STAR FRENCH ONION SOUP (STOVETOP OR SLOW COOKER)

Steps:

• In a soup pot, combine the onions and butter and cook over low heat, stirring to coat the onions thoroughly, until softened, about 30 minutes. (If using a slow cooker, cover and cook on high until the onions are softened, about 1 hour.)
• Add the sugar, salt and peppercorns and stir well. Increase the heat to medium-low, cover, and cook for 2 hours. (Cook on high for 4 hours in the slow cooker.) Add the stock or broth and brandy (if using). Cook for 2 hours longer (or 2 hours in the slow cooker).
• Preheat the broiler. Ladle the soup into 6 ovenproof bowls and place 2 slices of the baguette in each bowl. Sprinkle liberally with cheese and broil for 2 to 3 minutes, until the top is bubbling and brown. Serve immediately. Pass extra cheese at the table.

SLOW COOKER FRENCH ONION SOUP RECIPE - (4.5/5)

Steps:

• Add butter and onion rings to the largest pan/skillet you have and saute over medium-high heat for about 10 minutes or until onions are translucent and start to brown. Cover and cook about 5 minutes longer to let them caramelize a little more. 2.Transfer onions to slow cooker. Add garlic, broth, and bay leaf. Cover and cook on high 3-4 hours or on low 6-8 hours (or up to 10). 3.About 20-30 minutes before serving, preheat oven to 420 degrees. Place slices of bread in a single layer on a baking sheet. Place in preheated oven for about 5 minutes, then flip the bread slices over and return to oven for another 5 minutes or so until bread is dried and crunchy. Set aside. 4.Place oven-safe bowls on the baking sheet. Fill each with soup from the slow cooker. Place 2 slices of swiss cheese (overlapping) on top of the soup so the edges are hanging over the sides of the bowls. Bake about 10 minutes until cheese is melty. Serve with crusty bread and garnish with parsley if desired.

SLOW COOKER FRENCH ONION SOUP RECIPE - (4/5)

Steps:

• 1. Place butter, thyme, and bay leaf in the bottom of a 6 qt. slow cooker. Add onions; sprinkle with sugar. Cover and cook on HIGH for 8 hours. 2. Remove thyme sprig and bay leaf; discard. Add stock, vinegar, salt (adjust salt if using salted butter and/or stock), and pepper. Cook covered, on HIGH for 30 minutes. 3. Preheat broiler. 4. Arrange bread in a single layer on a baking sheet. Broil 30 seconds on each side or until toasted. Place 1 c. Soup in each of 12 (8 oz.) ramekins or ovenproof bowls. Top each serving with 2 slices of bread and about 2 T. Shredded cheese. Place filled bowls on a jelly roll pan. Broil 2 minutes or until cheese melts and begins to brown. NOTE: I often halve this recipe and it works nicely!

SLOW COOKER FRENCH ONION SOUP

Steps:

• Place the Onion slices in slow cooker. Stir in the Butter, Olive Oil, Salt, and Black Pepper
• Cook on low for 12 hours
• Add Broth, and Balsamic Vinegar
• Cook on low for 6-8 hours
• Top with Gruyere
• Heat
• Serve

FRENCH ONION SOUP - SLOW COOKER

Steps:

• 1. In a slow cooker, combine the onions, shallots, thyme, garlic, bay leaf, butter and salt. Turn the slow cooker on high and cook until the onions are very soft and the garlic has disintegrated, 3 hours. Add the beef broth, season with a pinch of black pepper and continue to cook on high for 2 hours more.
• 2. About 30 minutes before serving, adjust the oven rack to the top portion and preheat to 425°. On a foil-lined baking sheet, arrange 8 to 12 bread slices in a single layer and toast until light golden brown, 5 minutes. Set aside and set the oven temperature to the low broil.
• 3. On the baking sheet, place 4 to 6 oven-safe bowls and fill each to the rim with soup. Top with 1 or 2 slices of toasted bread and layer with cheese, completely covering the bread. Broil until the cheese is melted, 2 to 3 minutes. Serve with any extra bread for dipping.

SLOW-COOKER FRENCH ONION SOUP

Steps:

• • 1. COOK ONIONS Arrange beef bones on paper towel-lined plate. Microwave until well browned, 8 to 10 minutes. Meanwhile, set slow cooker to high. Add butter, cover, and cook until melted. Add onions, 2 teaspoons salt, 1 teaspoon peper, brown sugar, and thyme. Stir flour, apple butter, sherry, and soy sauce together in small bowl until smooth. Pour over onions and toss to coat. Tuck bones under onions around edge of slow cooker. Cover and cook on high heat until onions are softened and deep golden brown, 10 to 12 hours. (Cooked onions can be refrigerated in airtight container for 1 day.)
• • 2. FINISH SOUP Remove bones from slow cooker. Heat chicken and beef broth in microwave until beginning to boil. Stir into slow cooker. Season with salt and pepper.
• • 3. MAKE CROUTONS Adjust oven rack to upper-middle position (about 6 inches from broiler element) and heat oven to 400 degrees. Arrange bread slices in single layer on baking sheet and bake until bread is golden at edges, about 10 minutes. Heat broiler. Divide cheese evenly among croutons and broil until melted and bubbly, 3 to 5 minutes.
• • 4. SERVE SOUP Ladle soup into bowls and top each with 2 croutons. Serve.

SLOW-COOKER FRENCH ONION SOUP

Steps:

• Combine first 4 ingredients in slow cooker sprayed with cooking spray; cover with lid. Cook on HIGH 1 hour, stirring after 30 min.
• Reduce heat to LOW. Add broth, water, beer and thyme to slow cooker; stir. Cook, covered, on LOW 6 to 8 hours (or on HIGH 4 hours).
• Heat broiler. Ladle soup into 10 ovenproof bowls; top with toast slices and cheese.
• Broil, 6 inches from heat, 3 to 5 min. or until cheese is melted and golden brown.

SLOW COOKER FRENCH ONION SOUP

Steps:

• Melt butter in a skillet over low heat. Add onions and cook slowly, up to 45 minutes to release maximum flavor, or until nicely browned, stirring frequently. Transfer to a slow cooker. Add water, bouillon, Worcestershire sauce, and salt. Cover and cook on low for 4 to 6 hours.
• To serve, top each bowl with 1 slice of bread. Sprinkle each with 2 tablespoons Parmesan. Recipe may be doubled and kept hot in slow cooker.