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    You are in: Home / Recipes / Caramelized Onion Mashed Potato Soup! Recipe
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    Caramelized Onion Mashed Potato Soup!

    Caramelized Onion Mashed Potato Soup!. Photo by Rita~

    1/8 Photos of Caramelized Onion Mashed Potato Soup!

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    Total Time:

    Prep Time:

    Cook Time:

    1 hr 15 mins

    30 mins

    45 mins

    Rita~'s Note:

    Combo of French onion soup and creamy potato soup. A nice use for leftover mashed potatoes is in this soup used to thicken and giving more creamy comfort without cream or flour. Caramelized Sherried Onions or Caramelized Adobo Onions can be followed for this soup for a different twist.

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    • 4 -6 slices toasted bread (I used croissant halves)
    • 1 -1 1/2 cup of grated swiss gruyere
    • scallion, thinly sliced, for garnish


    1. 1
      Heat the oil and butter in a large pot over medium high heat till it stops sizzling.
    2. 2
      Add onions and reduce the heat to medium-low.
    3. 3
      Cook slowly, stirring occasionally, until golden brown and caramelized, about 15 minutes. Add garlic cook 15 minutes. Add pepper, pepper flakes, bay leaf, thyme and sugar.
    4. 4
      Pour in sherry, deglazing pot and reduce for 1 minute.
    5. 5
      Add Broth and Worcestershire sauce.
    6. 6
      Bring to a boil lower heat to a simmer and cook for 10 more minutes.
    7. 7
      Add mashed potatoes stirring in till creamy smooth and heated throughout. Taste and adjust seasoning. Salt should wait till now because the mashed potatoes, broth and Worcestershire sauce all contain salt.
    8. 8
      Toast bread in oven and top with your favorite cheese and place on top of soup and serve topped with a garnish of scallions.

    Ratings & Reviews:

    • on January 06, 2010


      Made this today for lunch. Due to weather, we didn't go to work, but I did some work from home. My boss stopped over with another co workers so I made this. I just made some quick mashed spuds in the micro and presto, spuds! This was great. I got some wonderful onions from the market and plenty of herbs so this was great. I didn't have croissants but some not baguettes sliced which worked fine and I almost always have gruyere which is a fave of mine. What a nice creamy soup. No complaints on this end and will definitely make again, it was very very good. 1 change, I added a bit more thyme but I also used fresh, but a tablespoon, but I really enjoy thyme. Only change. Perfect as is. And it didn't take long. I had 2 lbs of shrimp to cook, so we had peel and eat warm garlic shrimp and soup. Nothing more needed. It was heavenly and on a very very cold day even better. Thx for the great recipe.

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    • on December 28, 2009


      Amazing soup. Careful not to put too much hot in, otherwise you will probably want to stick to the recipe as outlined. Served this at a party and it was the only soup that disappeared. The great flavor keeps coming at you even to last spoonful. Thanks for posting this great soup recipe.

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    • on February 10, 2011


      Made this for our dinner last night. DH and I really enjoyed it. It had a bit more spice than I like in this type of soup. I would try half the pepper the next time I make it. It also took longer than 15 minutes to carmelize the onion and it still didn't get particularly brown. I used french bread and gruyere for the topping. Thanks for posting.

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    Nutritional Facts for Caramelized Onion Mashed Potato Soup!

    Serving Size: 1 (262 g)

    Servings Per Recipe: 4

    Amount Per Serving
    % Daily Value
    Calories 517.8
    Calories from Fat 205
    Total Fat 22.8 g
    Saturated Fat 10.2 g
    Cholesterol 47.0 mg
    Sodium 640.0 mg
    Total Carbohydrate 47.9 g
    Dietary Fiber 4.3 g
    Sugars 9.8 g
    Protein 13.7 g

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