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Cream of Onion Soup

Everyone has heard of French onion soup, but for a real treat, try this Cream of Onion Soup. This is a rich, creamy, and onion-forward soup that I’ve been making for years. It’s so easy to make, and roasting the onions first brings out their natural sweet flavor! I’m a trained chef with 25+ years of experience, and let me tell you, this soup is fabulous!

Two bowls of Cream of Onion Soup on a wooden table.

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I love onion soup. I don’t care if it’s hot or cold outside – when the craving for soup hits, I turn to this amazing Creamed Onion Soup. It’s so crazy good, and easy to make. Plus, it’s affordable! Onions are usually pretty cheap, and this recipe includes sweet Spanish onions, a yellow (or brown) onion, and shallots.

This onion soup recipe is a great starter to elegant meals, but it’s humble enough to be a meal on its own, next to a heel of crusty bread. If you really want to pull out all the stops, serve this soup inside a hollowed-out Spanish or Vidalia onion. That’s sure to wow all your guests!

Two bowls of soup on a wooden table.

What You’ll Love About Cream of Onion Soup


  • Rich and flavorful: Combining roasted onions with a medley of Spanish onions, yellow onions, and shallots creates layers of complex but tamed onion flavor.
  • Comforting and creamy: The cream adds luxurious creaminess, making this soup a perfect comfort food.
  • Versatile dish: It’s great as a starter or a main course, and you can easily make it a part of a larger meal.
  • Simple but elegant: Though simple to make, it is elegant and suitable for casual and formal dining.

Ingredients

  • Spanish onions – Peeled and cut in quarters.
  • Yellow onion – Peeled and quartered.
  • Garlic – Fresh cloves.
  • Shallots – Peeled and cut in half.
  • Sprigs of fresh thyme
  • Olive oil
  • Salt and pepper
  • Butter
  • Chicken broth
  • Heavy whipping cream
The ingredients of a recipe for chicken noodle soup.

How to make Cream of Onion Soup

  1. Preheat your oven to 450°F and toss the onions and garlic with olive oil, seasoning them with salt and pepper.
  2. Transfer the seasoned veggies to a baking sheet with raised sides and roast them for about 15-20 minutes or until they are soft and brown around the edges.
  3. Transfer the roasted onions to a soup pot, add the butter, and sauté for 3-4 minutes.
  4. Add the chicken broth and let it simmer for 20 minutes to reduce slightly.
  5. Remove the thyme stems, then transfer the mixture to a blender and puree, or use an immersion blender directly in the pot.
  6. Add the cream, heat through, adjust seasoning, and serve your delicious Creamy Onion Soup.

Step-by-Step Process

Chef Jenn’s Tips

  • You can use Vidalian or Maui onions instead of Spanish onions – any sweet onion will do, but don’t use red onions or your soup will be a weird color.
  • Roasting the onions is the key to this soup. It caramelizes the natural sugars in the onions, bringing out their sweetness and depth of flavor.
  • Don’t rush the sautéing. Cooking the onions in butter after roasting enhances their flavor.
  • For a vegetarian option, substitute the chicken broth with a rich vegetable broth.

Recommended

MAKE IT A MEAL

This soup pairs beautifully with crusty bread, a crisp salad, or even a light sandwich. For a heartier meal, serve it alongside a pastrami sandwich or a slice of quiche. The creaminess of the soup complements a variety of dishes, making it a versatile choice for any meal.

Chef Jenn's Pick
Soup Thermos with Spoon
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For soup on the go! Stays hot and looks great, too!

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03/01/2024 09:12 pm GMT

STORAGE

To store, let the soup cool completely and refrigerate it in an airtight container for up to 3 days. For longer storage, you can freeze the soup in freezer-safe containers for up to 2 months. Just thaw it overnight in the refrigerator and reheat gently on the stove. Do note that the cream may separate slightly when frozen, so give it a good stir upon reheating to bring back its creamy consistency.

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Two bowls of Cream of Onion Soup on a wooden table.
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4.91 from 41 votes

Cream Of Onion Soup

Thick, creamy, rich, and with layers of sweet onion flavor, this tasty twist is chic enough to impress but humble enough to pair with any meal or sandwich. It's easy to make, too, with affordable ingredients.
Course Soup
Cuisine American
Keyword cream of onion soup, cream soup, easy cream soup, onion soup
Prep Time 5 minutes
Cook Time 25 minutes
Total Time 30 minutes
Servings 6 servings
Calories 342kcal
Author Chef Jenn

Ingredients

  • 2 Spanish onions peeled and cut in quarters
  • 1 yellow onion peeled and cut in quarters
  • 2 shallots peeled and cut in half
  • 2 cloves garlic peeled but left whole
  • 2 tablespoons olive oil
  • salt and pepper
  • ¼ cup salted butter
  • 2 sprigs fresh thyme
  • 4 cups chicken broth use low or no sodium broth to control the salt
  • 1 cup heavy whipping cream

Instructions

  • Preheat your oven to 450°F and toss the onions, shallots, and garlic with olive oil, seasoning them with salt and pepper and add the sprigs of thyme.
  • Transfer the seasoned veggies to a baking sheet with raised sides and roast them for about 15-20 minutes, or until they are soft and brown around the edges.
  • Transfer the roasted onions and any pan juices to a soup pot, add the butter, and sauté for 3-4 minutes.
  • Add the chicken broth and let it simmer for 20 minutes to reduce slightly.
  • Remove the thyme stems, then transfer the mixture to a blender and puree, or use an immersion blender directly in the pot.
  • Add the cream, heat through, adjust seasoning, and serve your delicious Creamy Onion Soup.

Notes

Chef Jenn’s Tips

  • You can use Vidalian or Maui onions instead of Spanish onions – any sweet onion will do, but don’t use red onions or your soup will be a weird color.
  • Roasting the onions is the key to this soup. It caramelizes the natural sugars in the onions, bringing out their sweetness and depth of flavor.
  • Don’t rush the sautéing. Cooking the onions in butter after roasting enhances their flavor.
  • For a vegetarian option, substitute the chicken broth with a rich vegetable broth.

Nutrition

Serving: 1cup | Calories: 342kcal | Carbohydrates: 20g | Protein: 7g | Fat: 28g | Saturated Fat: 15g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 9g | Trans Fat: 0.3g | Cholesterol: 65mg | Sodium: 133mg | Potassium: 471mg | Fiber: 3g | Sugar: 11g | Vitamin A: 838IU | Vitamin C: 11mg | Calcium: 79mg | Iron: 1mg

A Note on Nutritional Information

Nutritional information for this recipe is provided as a courtesy and is calculated based on available online ingredient information. It is only an approximate value. The accuracy of the nutritional information for any recipe on this site cannot be guaranteed.

Two bowls of soup on a wooden table.
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