Roasted Celery and Potato Soup | Tried and True Recipes (2024)

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by Kylie PerrottiPosted on August 19, 2022December 10, 2023

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This vegan roasted celery and potato soup is a great way to use up scrap veggies! This vegan soup recipe is a take on my favorite childhood soup.

Roasted Celery and Potato Soup | Tried and True Recipes (1)

Storytime! The first time I made this soup is when I was a teen. It’s my dad’s recipe, and he told me “JUST ONE CUP OF ELBOWS” before he left for work, but me being the carb monster that I am, decided that he was wrong and added the whole box. And that’s how I’ll never live down the cement soup tragedy where we couldn’t even get the spoon out of the pot.

This vegan version is much better than my first attempt 20 years ago! Usually, my dad would make it with potatoes, mushrooms, heavy cream, and elbows. To get big flavor plus creaminess without the dairy, I roasted celery first and then blended it with potatoes and some of the soup liquid and added it back to the soup. The finished product was SO good, and it’s such a great, cheap vegan soup recipe to throw together. If you aren’t vegan or dairy-free, you can certainly add a few splashes of cream at the end of cooking!

Roasted Celery and Potato Soup | Tried and True Recipes (2)

How to make this vegan roasted celery and potato soup recipe:

For this recipe, you need just a few ingredients:

  • A stalk of celery (about 10 ribs)
  • Yukon gold potatoes
  • Cremini mushrooms
  • Dry thyme
  • Water or vegetable stock
  • Elbow pasta

You can add more to this soup depending on your preferences. Try caramelizing an onion or adding minced garlic. This potato soup recipe would be great with carrots or sweet potatoes! You can add a can of beans to it for a bit of protein, too!

To make this recipe, simply roast the celery. Meanwhile, cook the ingredients for the soup in batches. Start by sautéing the mushrooms. Then add diced potatoes and dry thyme. Pour in water or vegetable stock and simmer until the potatoes are fork-tender.

From there, throw half the potatoes into a food processor along with the roasted celery and a bit of liquid from the pot. Blend until pureed. To finish it up, add bring the soup back to a boil and add the celery puree and the pasta. Boil until al dente. That’s it!

Roasted Celery and Potato Soup | Tried and True Recipes (3)

This vegan roasted celery and potato soup is a great way to use up scrap veggies! This vegan soup recipe is a take on my favorite childhood soup.

4.42 from 85 votes

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Prep Time: 10 minutes minutes

Cook Time: 45 minutes minutes

Total Time: 55 minutes minutes

Servings: 4

Calories: 287kcal

Equipment

  • Large pot

  • Baking sheet

Ingredients

  • 2 tablespoons olive oil divided
  • 1 stalk of celery about 10 ribs, root part trimmed off and discarded
  • 1 pound Yukon gold potatoes peeled and diced
  • 5 ounces cremini mushrooms sliced
  • 2 teaspoons dry thyme
  • 7 cups water or vegetable stock
  • 1 cup elbow pasta
  • Salt and pepper to taste

For serving, optional:

Instructions

Preheat oven to 400°F.

    Roast the celery:

    • Cut the celery into thirds and arrange on a baking sheet. Drizzle with 1 tablespoon oil and season with salt and pepper. Transfer to the oven for 30 minutes.

    Cook the mushrooms and potatoes:

    • Heat the remaining 1 tablespoon oil in a large pot. Add the mushrooms and cook for 8-10 minutes. Season with salt and pepper.

    • Add the potatoes and cook for 5 minutes. Season with salt, and pepper, and add the dry thyme. Cook for 1 minute until fragrant.

    Simmer the soup:

    • Pour in the water and bring to a boil. Reduce heat and simmer for 20 minutes or until the potatoes are tender.

    Blend the potatoes and celery:

    • Once the potatoes are fork-tender, scoop out half them from the pot and transfer them to a food processor. Add roasted celery and a few spoonfuls of the hot broth and blend until puréed.

    Cook the pasta:

    • Bring the soup back to a boil. Add the elbows and puréed celery and potatoes and cook until the pasta is al dente. Taste and season with salt and pepper.

    To serve:

    • Ladle the soup into bowls. Garnish with dill, silk chili, and a drizzle of extra virgin olive oil if you like. Enjoy!

    Nutrition

    Calories: 287kcal | Carbohydrates: 48g | Protein: 8g | Fat: 8g | Sodium: 12mg | Fiber: 4g | Sugar: 2g | Vitamin C: 22mg

    Tried this recipe?Mention @triedandtruerecipes or tag #triedandtruerecipes so I can feature you in my feed!

    Roasted Celery and Potato Soup | Tried and True Recipes (2024)

    FAQs

    Do you cook celery before adding to soup? ›

    While certain vegetables can work just fine added directly to simmering soups and stews (say, carrots and celery), other vegetables (onions, garlic, and the like) will almost always need at least a brief sweat in a fat-based liquid before adding the remaining ingredients.

    What can I add to my potato soup to make it taste better? ›

    The Best Potato Soup Topping
    1. Shredded sharp cheddar cheese.
    2. Crispy bacon.
    3. Finely chopped broccoli.
    4. Green Onions.
    5. Sour Cream.
    6. Fresh Chives.
    7. Chili Powder.
    Jan 2, 2022

    What does celery do to soups? ›

    Celery stalks often play a supporting (albeit crucial) role in comforting soups and holiday sides, but their sharp herbal flavor takes center stage in this cream of celery soup recipe. To coax the most flavor out of the veg, sauté the chopped celery with a potato and onion in plenty of butter until soft and tender.

    Why isn't my potato soup creamy? ›

    Why isn't my potato soup creamy? Most creamy soups require you to add dairy of some sort into it. If you're finding your soup is too thin adding milk, add in cream instead, or whole milk.

    What not to do when making soup? ›

    The 7 Biggest Mistakes You Make Cooking Soup
    1. Boiling instead of simmering. You want a small bubble or two to rise to the surface of the liquid every few seconds. ...
    2. Not using enough salt. ...
    3. Ignoring water. ...
    4. Overcooking the vegetables. ...
    5. Adding tomatoes at the beginning. ...
    6. Neglecting to garnish. ...
    7. Not trying a pressure cooker.
    Nov 19, 2014

    When should I add celery to my soup? ›

    Potatoes, sweet potatoes, winter squash, kale/chard/broccoli rabe stems, broccoli stalks, cabbage—can get added early: They take a while to lose their bite. But quick-cooking things—asparagus, peas, thinly sliced carrots and celery, leaves, small florets—should be saved for the end.

    What is the best thickening agent for potato soup? ›

    Cornstarch is a very effective thickener, and a little bit can go a long way. Add cornstarch to a small amount of cold water or other liquid (wine or stock) and whisk into a thick slurry.

    What is a good thickener for potato soup? ›

    Opt for Cornstarch or Arrowroot

    In a small bowl, mix cornstarch or arrowroot with a small amount of cold water to form a slurry. Once the slurry is smooth, gradually pour it into the simmering potato soup. Stir well to ensure the slurry is evenly distributed.

    How do you make potato soup not taste bland? ›

    If a soup is tasting bland in the bowl, consider adding acid rather than salt. A squeeze of lemon or lime, or a dash of yogurt or sour cream can add brightness to the bowl.

    Can you roast celery stalks? ›

    Roasted celery tastes very tender and slightly sweet. It is absolutely delicious and does not have the overly earthy flavor and tough texture of raw celery.

    What makes celery taste better? ›

    Use Inner Stalks and Leaves

    The most tender and mild-tasting parts of celery are the inner stalks and leaves. The outer stalks and base tend to be tougher and more bitter. For a sweeter flavor, juice the inner 4-5 stalks and leaves of bunched celery.

    What herb goes best with celery? ›

    Herbs: Celery can be seasoned with a variety of herbs such as parsley, thyme, rosemary, and dill. Spices: Celery can be paired with spices such as black pepper, paprika, and celery seed. Nuts: Celery can be paired with nuts such as almonds, cashews, and walnuts for added texture and flavour.

    Will cream cheese thicken potato soup? ›

    Cream cheese can be a delicious and tangy thickener for mashed potatoes so it stands to reason that it can also be used to add body to your favorite silky potato soup recipes — right? The answer is yes. It only works well if you do it carefully, though.

    Does sour cream thicken soup? ›

    Another option for thickening soup is by using dairy like sour cream or yogurt. Start with a small dollop and stir before checking the consistency and adding more. We recommend using plain yogurt so you don't alter the taste of the soup. You can also use cream if you prefer.

    How do you doctor up bland potato soup? ›

    Your potato soup is bland? Try adding a little more salt. That's usually the answer to any issue of blandness, no matter the recipe in question. A basic Appalachian style potato soup uses only a handful of simple ingredients, leaning on milk and water and often bouillon to create the brothy soup base.

    How do you soften celery for soup? ›

    Things You Should Know. Bring a pot of water to a boil, then add celery and simmer for 10-15 minutes. In a frying pan, cover bite-size pieces of celery with water, cover the pan with a lid, and let steam on medium heat for 5-10 minutes.

    Does celery need to be cooked? ›

    Celery can be eaten raw or cooked. Celery brings texture and a mild flavor to salads, hors d'oeuvres, soups, stuffings, stews, and stock. It can be steamed, braised, or sautéed and served as a side dish. Celery tastes best when it comes to harvest in cool weather, late spring, or in autumn.

    Should onions and celery be sauteed before adding to soup? ›

    You should. Traditionally, a mirepoix is made: diced onion, carrot, celery. Cooked SLOWLY in a sauce pan until the start to sweat, over medium-low heat for 10 minutes or so, stirring often — then added to the soup.

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