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How to Thicken Onion Soup: 10 Easy Ways

If you’re looking to thicken onion soup, you’ll want to add flour or cornstarch to your soup.
You can also use a roux (a mixture of butter and flour) to thicken the soup.
If you prefer a creamy texture, you can also add milk or cream.
Prep Time3 minutes
Active Time3 minutes
Total Time6 minutes
Course: Soup
Cuisine: French
Keyword: How to Thicken Onion Soup
Cost: 1

Instructions

  • Oatmeal
  • Flour and Water
  • Arrowroot
  • Cornstarch
  • Tapioca
  • Egg Yolks
  • Reduce the Soup
  • Add Butter
  • Add Mashed Beans
  • Add Cheese