Skip to Content

Crockpot French Onion Soup

This Crockpot French Onion Soup is classic comfort food at its finest. Packed with caramelized onion flavor and slow cooked to perfection. It’s topped with toasted crusty bread cubes and gooey melted cheese.

This small batch slow cooker recipe is super easy and makes a great lunch, dinner, or soup course for two people.

Yes, you can caramelize onions in a slow cooker.  And, yes, they make the most heavenly Crockpot French Onion Soup.

a graphic of Easy Crockpot French Onion Soup Recipe For Two.
Easy Crockpot French Onion Soup

As an Amazon Associate I may make a small commission, at no additional cost to you, if you make a purchase through product links in this post.

Have you seen my Cookbook?

Easy Home Cooking For Two – by Zona Cooks features 60 main dish recipes giving you two months worth of simple homemade food that’s sure to impress any night of the week. Check Cookbook Price

What to serve with French Onion Soup

Try these Baked Potatoes, or this Strip Steak Salad with Parmesan Tomatoes.

How to make French Onion Soup without Wine:

Cut the onion into rings, and then cut the rings in half.

sliced onions, a chef knife, on a cutting board.

Place the onions in a 4 quart crockpot. Click here for a 4 quart crockpot.

onions and seasonings in a slow cooker crock pot.

Add coarse salt, melted butter, fresh cracked black pepper, Worcestershire sauce and thyme.

Cook on low for 7 to 8 hours until nicely brown and caramelized.

Pour the beef broth into the slow cooker and cook for at least one hour more.

Soup in Crock Pot.
Soup in Crock Pot

While the broth is cooking, toast the 2 thick slices of crusty bread in a toaster oven.

Cut the toast into large cubes.

Shred the cheese and set aside.

When the broth is almost done, preheat the broiler to high.

Arrange two oven safe soup bowls on a baking sheet. I use these bowls for French Onion Soup.

Ladle hot soup into the bowls.

French onion soup in two soup bowls.
Bowls for French Onion Soup

Place the toasted crusty bread cubes on top of the soup.

Easy French Onion Soup Recipe with Croutons in two soup bowls.
Easy French Onion Soup Recipe with Croutons

Sprinkle each bowl with half of the cheese.

cheese sprinkled over American French Onion Soup and croutons in two soup bowls.
American French Onion Soup

Broil until cheese is bubbly and golden, about 2 – 4 minutes.

Easy Crockpot French Onion Soup for two in a bowl.
Slow Cooker French Onion Soup for Two

You may also enjoy

These great recipes:

Crockpot French Onion Soup
Yield: Serves 2

Crockpot French Onion Soup

Prep Time: 10 minutes
Cook Time: 8 hours
Total Time: 8 hours 10 minutes

This Crockpot French Onion Soup is classic comfort food at its finest. Packed with caramelized onion flavor and slow cooked to perfection. It’s topped with toasted crusty bread cubes and gooey melted cheese.

Ingredients

  • 1 large Vidalia onion
  • 1/2 teaspoon coarse salt
  • 2 Tablespoons butter (melted)
  • 1/4 teaspoon fresh cracked black pepper
  • 1 teaspoon Worcestershire sauce
  • 1/4 teaspoon thyme
  • 2 cups beef broth
  • 2 slices bread, thick cut crusty
  • 4 ounces Jalsburg cheese, Swiss, or Gruyere

Instructions

  1. Cut the onion into rings, and then cut the rings in half.
  2. Place the onions in a 4 quart crockpot. Click for a 4 quart crockpot.
  3. Add coarse salt, melted butter, fresh cracked black pepper, Worcestershire sauce and thyme.
  4. Cook on low for 7 to 8 hours until nicely brown and caramelized.
  5. Pour the beef broth into the slow cooker and cook for at least one hour more.
  6. While the broth is cooking, toast the 2 thick slices of crusty bread in a toaster oven.
  7. Cut the toast into large cubes.
  8. Shred the cheese and set aside.
  9. When the broth is almost done, preheat the broiler to high.
  10. Arrange two oven safe soup bowls on a baking sheet. Click for 20 ounce oven safe soup bowls.
  11. Ladle hot soup into the bowls.
  12. Place the toasted crusty bread cubes on top of the soup.
  13. Sprinkle each bowl with half of the cheese.
  14. Broil until cheese is bubbly and golden, about 2 - 4 minutes.

Recommended Products

As an Amazon Associate I may make a small commission, at no additional cost to you, if you make a purchase through product links in this post.

Nutrition Information

Yield

2

Serving Size

1

Amount Per Serving Calories 703Total Fat 48gSaturated Fat 28gTrans Fat 1gUnsaturated Fat 16gCholesterol 143mgSodium 2198mgCarbohydrates 30gNet Carbohydrates 0gFiber 2gSugar 11gSugar Alcohols 0gProtein 38g

Nutrition information is a guideline only, is calculated automatically by third party software, and absolute accuracy is not guaranteed.

Did you like this recipe?

Please leave a comment on this post and pin this recipe on Pinterest.

a bowl filled with Crockpot French Onion Soup.
Crockpot French Onion Soup Recipe

25 Slow Cooker Soups For Winter - iWomen's Blog

Tuesday 24th of March 2020

[…] […]

Kathryn L. Pye

Tuesday 27th of August 2019

Need nutritional information - in particular - Calories and carbs. Please and thank you.

Zona

Tuesday 27th of August 2019

Hi Kathryn, the full nutrition is listed at the bottom of the recipe card as 703 calories and 30 carbs. It is calculated by 3rd party software and may not be 100% accurate. Thank you for your question :)

14 Slow Cooker Soup Recipes That You Can Make in Minutes - 5 Dinners In 1 Hour

Thursday 13th of June 2019

[…] is a small batch soup from Zona Cooks. Let it cook all day and you’ll have cheesy onion-filled goodness. The recipe makes two bowls […]

Skip to Recipe