Cream of Onion Soup

Cream of Onion Soup is a rich and creamy soup filled with the flavor of sweet onions.

Onions have a natural sweetness (which is why they caramelize so beautifully) and add a delicate and delicious flavor to this soup. It’s great served next to a salad with crusty bread.

Cream of Onion Soup cooked in a pot

Cream of Onion Soup

  • Onion soup is made in one pot and goes from the stovetop to the tabletop in minutes! Or, keep it warm in a Crockpot and let everyone help themselves. Set out bowls of shredded cheese and some Homemade Croutons.
  • Unlike a traditional French Onion soup, the caramelized onions and celery are pureed for a rich and creamy soup that’s perfect for dipping crusty bread. Even kids will love its sweet/savory flavor.
  • Every home cook needs a few of their own made-from-scratch soup recipes. Nothing smells better than a slow, simmering pot of soup on the stove, ready to serve.

ingredients to make Cream of Onion Soup

Ingredients

ONIONS: This recipe is best with sweet onions like Walla Wallas, Vidalias, or a combination of the two but regular onions will work just fine too. For a heartier vegetable-style soup, stir in or puree roasted veggies like carrots or potatoes.

SOUP BASE: Broth and heavy creams make the perfect base for any soup or stew. Any type of broth or stock will do, simply adjust the seasonings.

ADD INS: Onion soup is ideal for adding in leftover baked ham (or honey ham)!

cutting onions to make Cream of Onion Soup

How to Make Cream of Onion Soup

Cream of Onion Soup is so delicious and so easy!

  1. Caramelize the onions and celery in a large pot. Add flour & thyme per the recipe below.
  2. Stir in the remaining ingredients & bring to a boil, simmer until veggies are tender.
  3. Puree soup with an immersion blender or carefully pour soup into a blender & puree.
  4. Season & serve.

Texture Tip: We love to puree this soup so it is completely smooth. If you prefer a little bit of texture, remove some of the onions before pureeing the soup, chop them and add them back into the pot.

process of adding ingredients to pot and blending Cream of Onion Soup

What to Serve with Soup

Garnish with some crispy fried onions, herbs, or croutons. Fresh parmesan is a great addition too.

Onion soup is a classic recipe that stands the test of time! Serve as a side dish with some crackers or a baguette of Homemade Garlic Bread, or some Cheesy Garlic Breadsticks. Or make some colorfully crunchy salads like Beet & Arugula Salad, Old Fashioned Three Bean Salad, or Brussels Sprout Salad.

bowls of Cream of Onion Soup

How to Store

Cream of onion soup keeps best in the refrigerator in a covered container for up to 4 days. Freeze portions in zippered bags with the date labeled on the outside for up to 4 weeks. Reheat soup on the stovetop and serve.

Cozy & Creamy Soups

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Cream of Onion Soup

This warm & cozy Cream of Onion Soup is the perfect meal for a cold winter’s day!


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  • Melt butter in a saucepan over medium heat. Add onions and celery and cook until tender and translucent, about 5-7 minutes.

  • Stir in flour and thyme, cook 1 minute more.

  • Stir in broth, a bit at a time, stirring until smooth after each addition.

  • Bring to a boil, reduce to a simmer and cook uncovered 8-10 minutes or until vegetables are very soft.

  • Blend soup with a hand blender, add in cream and simmer 5 minutes more. Season with salt & pepper to taste.

  • Garnish with parsley if desired and serve.

1 cup of sharp cheddar or swiss can be added to the soup before serving if desired.
Leftover soup can be stored in a covered container in the fridge for up to 4 days. Freeze cooled soup in a zippered bag for up to 4 weeks. Reheat on the stovetop or in the microwave until heated through. 

Serving: 1cup, Calories: 378, Carbohydrates: 19g, Protein: 4g, Fat: 32g, Saturated Fat: 20g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 9g, Trans Fat: 1g, Cholesterol: 102mg, Sodium: 830mg, Potassium: 404mg, Fiber: 2g, Sugar: 6g, Vitamin A: 1274IU, Vitamin C: 19mg, Calcium: 81mg, Iron: 1mg

(Nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.)

Course Dinner, Lunch, Soup

Cuisine American

top view of pot of Cream of Onion Soup with writing
bowls of Cream of Onion Soup with writing
close up of Cream of Onion Soup in the pot with a title
Cream of Onion Soup in the pot and plated with a title

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