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Home » Soups » Onion Soup

Onion Soup

Recipes developed by Vered DeLeeuw
Nutritionally reviewed by Rachel Benight MS, RD, CPT

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Easy onion soup recipe produces a wonderfully rich and flavorful soup. Perfect for cold winter days, and one of the few foods you can actually taste even when you have a cold!

Onion Soup

This soup is wonderful! It’s so rich, flavorful and comforting. It’s one of my favorite things to eat when I have a cold because its deep flavor penetrates even through the stuffiest of noses!

No cheese in this soup

I love French onion soup, but I actually dislike the thick slab of melted cheese that often lays on top of it. So I make mine without it.

When my husband and I were dating, years ago, he had this old, worn-out cookbook. In that first winter together, he made me French onion soup out of that cookbook. It was the simplest recipe – he used a bouillon cube to make the broth! But I remember it as one of the best soups I have ever tasted. 🙂

My husband used to serve his soup with grated gruyere cheese on the side so that if you did like cheese in your soup, you could simply stir it in. So that’s an option too.

The ingredients needed for this recipe

You’ll only need a few ingredients to make this tasty soup. Scroll down to the recipe card for exact amounts.

  1. Unsalted butter
  2. Fresh onions
  3. All-purpose flour
  4. Dry white wine
  5. Beef broth
  6. Black pepper

How to make onion soup

It’s so easy! Scroll down to the recipe card for the detailed instructions. Here are the basic steps:

  1. Start by patiently cooking the onions in butter until caramelized. This should take about 20 minutes.
  2. Mix in the flour and brown it.
  3. Next, add the wine and cook to reduce it.
  4. Add the broth and the black pepper and simmer until soup is thickened, about 20 minutes.

How to serve this soup

It’s excellent just as it is! As I said above, you can serve it with grated gruyere cheese on the side, allowing each diner to decide if they want cheese in their soup.

For those who do eat cheese, this soup is also good with almond flour cheese muffins or with almond flour cheese biscuits.

Is this a healthy recipe?

I think it is. It’s made of a short list of whole-food ingredients. Onions are very healthy, and butter is harmless (though some disagree).

I don’t consider the small amount of wine per serving as an issue. But if you do, you can simply omit it, or add a bit more beef broth.

I should note, however, that this is not a gluten-free recipe. I use a small amount of white flour in this onion soup to thicken it. It’s still a fairly low-carb soup. However, if you must avoid gluten (or if you’re more of a purist than I am), this is obviously not a good recipe for you.

You might find success with gluten-free flour. Other gluten-free options include using organic cornstarch or simply omitting the thickener. I haven’t tried any of these options, though.

What about leftovers?

If you have leftovers of this onion soup, they keep well in the fridge, in a sealed container, for 3-4 days. I reheat them in the microwave, covered, on 50% power.

More tasty soup recipes

If you’re looking for more easy and healthy soup recipes, check out my collection of soup recipes!

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Onion Soup
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4.96 from 45 votes

Onion Soup

Easy onion soup recipe produces a wonderfully rich and flavorful soup. Perfect for cold winter days, and one of the few foods you can actually taste even when you have a cold!
Prep Time10 mins
Cook Time50 mins
Total Time1 hr
Course: Soup
Cuisine: French
Keyword: onion, soup
Servings: 4 servings
Calories: 168kcal
Author: Vered DeLeeuw

INGREDIENTS

  • 2 tablespoons unsalted butter
  • 4 medium onions, 6 oz each, sliced into thin rounds
  • 2 tablespoons all-purpose flour
  • 1/2 cup dry white wine
  • 1 quart beef broth, not low-sodium
  • 1/8 teaspoon black pepper

INSTRUCTIONS

  • Heat the butter in a large saucepan over medium heat, about 4 minutes. Add the onions and patiently cook, stirring often, until caramelized, 15-20 minutes.
  • Add the flour and mix with a wooden spoon about 1 minute, until it starts to brown.
  • Add the wine. Mix well. Cook about 2 minutes, until most of the wine evaporates.
  • Add the beef broth and the black pepper. Bring to a boil. Reduce heat to medium-low and simmer, uncovered, stirring often, until soup is noticeably thicker, about 20 minutes. Serve immediately.
NUTRITION INFO Nutrition info is approximate and may contain errors. It is calculated using the SparkPeople.com recipe calculator, and the carb count excludes sugar alcohols. Please feel free to make your own calculations. Please read the disclaimers in our Terms of Use carefully before using any of our recipes. Recommended and linked products are not guaranteed to be gluten-free. Please verify they are before using.
Nutrition Facts
Onion Soup
Amount Per Serving
Calories 168 Calories from Fat 63
% Daily Value*
Fat 7g11%
Sodium 576mg25%
Carbohydrates 17g6%
Fiber 3g13%
Sugar 1g1%
Protein 5g10%
* Percent Daily Values are based on a 2000 calorie diet.
NEVER MISS A RECIPE! I typically publish a new healthy recipe once or twice per week. Want the new recipes in your inbox? Subscribe!
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Onion Soup

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Filed Under: Soups Last updated on November 11, 2019

About the Author

Vered Deleeuw Vered DeLeeuw, LL.M., has been following a healthy real-food diet and blogging about it since 2011. She has taken nutrition courses at the Harvard School of Public Health and has earned a Nutrition and Healthy Living Certificate from Cornell University. Her work has appeared in several major media outlets, including Healthline, HuffPost, Today, Women's Health, Shape, Reader's Digest, and Better Homes and Gardens. Learn more...

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Healthy Recipes Blog logo - circle Healthy Recipes Blog was founded in 2011 by Vered Deleeuw. It features real-food recipes with a focus on low-carb and gluten-free ingredients. All recipes are nutritionally reviewed by a Registered Dietitian. You can contact us at HealthyRecipesBlog@gmail.com.
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