Cream of Onion Soup

User Reviews

5

68 reviews
Excellent
  • Prep Time

    15 mins

  • Cook Time

    25 mins

  • Total Time

    40 mins

  • Servings

    4 servings

  • Calories

    378 kcal

  • Course

    Soup, Lunch, Dinner

  • Cuisine

    American

Cream of Onion Soup

Cream of Onion Soup uses sweet onions and celery cooked in butter until tender, thickened with flour and thyme, then simmered in chicken broth and finished with heavy cream. The result is a smooth, rich soup with a balanced sweetness and slight herbal notes, offering a comforting texture and mellow onion flavor.

Description

This Cream of Onion Soup begins by sautéing sweet onions and celery in butter until soft and translucent, building a flavorful base. A brief addition of flour and thyme acts as a thickening and seasoning agent before gradually stirring in chicken broth. The soup simmers until vegetables are fully cooked and softened, after which it is blended to a creamy consistency. Heavy cream is folded in, adding richness and smooth mouthfeel. Seasoning with salt and pepper completes the flavor profile.

The soup has a gentle sweetness from the onions and a subtle herbal undertone from thyme. It can be served garnished with parsley for color. For a cheese variation, sharp cheddar or Swiss can be stirred in before serving to add a savory depth.

Leftovers store well in the fridge up to 4 days and can be frozen for about 4 weeks. Reheat gently on the stove or microwave until hot.

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Ingredients

Servings
  • cup butter
  • 1 pound sweet onion cut into ¼" slices
  • 3 ribs celery finely chopped
  • cup all-purpose flour
  • ¼ teaspoon thyme or 1 sprig fresh thyme, dried leaves
  • 3 cups chicken broth
  • ¾ cup heavy whipping cream
  • salt to taste
  • black pepper to taste

Instructions

  1. Melt butter in a saucepan over medium heat. Add onions and celery and cook until tender and translucent, about 5-7 minutes.
  2. Stir in flour and thyme, cook 1 minute more.
  3. Stir in broth, a bit at a time, stirring until smooth after each addition.
  4. Bring to a boil, reduce to a simmer and cook uncovered 8-10 minutes or until vegetables are very soft.
  5. Blend soup with a hand blender, add in cream and simmer 5 minutes more. Season with salt & pepper to taste.
  6. Garnish with parsley if desired and serve.

Notes

  • Adding 1 cup of sharp cheddar or Swiss cheese before serving enriches the soup's flavor.
  • Store leftover soup in the refrigerator for up to 4 days or freeze for up to 4 weeks.
  • Reheat gently on the stovetop or microwave to warm through without breaking the cream.

Nutrition Information

Show Details
Serving 1cup Calories 378 (19%) Carbohydrates 19g (6%) Protein 4g (8%) Fat 32g (49%) Saturated Fat 20g (100%) Polyunsaturated Fat 1g (6%) Monounsaturated Fat 9g (45%) Trans Fat 1g (50%) Cholesterol 102mg (34%) Sodium 830mg (35%) Potassium 404mg (9%) Fiber 2g (8%) Sugar 6g (12%) Vitamin A 1274IU (25%) Vitamin C 19mg (21%) Calcium 81mg (8%) Iron 1mg (6%)

Nutrition Facts

Serving: 4servings

Amount Per Serving

Calories 378 kcal

% Daily Value*

Serving 1cup
Calories 378 19%
Carbohydrates 19g 6%
Protein 4g 8%
Fat 32g 49%
Saturated Fat 20g 100%
Polyunsaturated Fat 1g 6%
Monounsaturated Fat 9g 45%
Trans Fat 1g 50%
Cholesterol 102mg 34%
Sodium 830mg 35%
Potassium 404mg 9%
Fiber 2g 8%
Sugar 6g 12%
Vitamin A 1274IU 25%
Vitamin C 19mg 21%
Calcium 81mg 8%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.

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User Reviews

Overall Rating

5

68 reviews
Excellent

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