Seared Broccoli and Potato Soup Recipe (2024)

By Melissa Clark

Updated Feb. 29, 2024

Seared Broccoli and Potato Soup Recipe (1)

Total Time
45 minutes
Rating
5(3,882)
Notes
Read community notes

This is not your average broccoli soup. Instead of merely boiling the broccoli to cook it, here, the florets are seared until deeply browned on one side while remaining bright green on the other. This gives the soup a layer of caramelized flavor while also preserving the fresh green taste of the broccoli itself. It’s a technique inspired by Andrew Feinberg of Franny’s restaurant in Brooklyn, who also uses it for zucchini soup. In this version, we’ve added potato for body, chile flakes for spice and lemon zest to heighten the citrus tang at the end.

Featured in: Broccoli and Potato Soup With Rich, Complex Flavors

Learn: How to Make Soup

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Ingredients

Yield:4 to 6 servings

  • ½cup olive oil, plus more as needed
  • 2heads broccoli (about 2 pounds), separated into small florets, stems peeled and diced
  • teaspoons kosher salt, more to taste
  • 2tablespoons unsalted butter
  • 1large Spanish onion, diced
  • 5cloves garlic, chopped
  • ½teaspoons black pepper, more for finishing
  • ¼teaspoon red pepper flakes
  • ½pound potatoes, peeled and thinly sliced
  • ¼teaspoon finely grated lemon zest
  • tablespoons fresh lemon juice, more to taste
  • Grated Parmesan, to finish
  • Flaky sea salt, to finish

Ingredient Substitution Guide

Nutritional analysis per serving (6 servings)

289 calories; 22 grams fat; 5 grams saturated fat; 0 grams trans fat; 14 grams monounsaturated fat; 2 grams polyunsaturated fat; 20 grams carbohydrates; 5 grams dietary fiber; 4 grams sugars; 6 grams protein; 566 milligrams sodium

Note: The information shown is Edamam’s estimate based on available ingredients and preparation. It should not be considered a substitute for a professional nutritionist’s advice.

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Seared Broccoli and Potato Soup Recipe (2)

Preparation

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  1. In a large soup pot, heat 2 tablespoons of oil over high heat. Add about a third of the broccoli, just enough so that it covers the bottom of the pan in a single layer without overcrowding. Cook broccoli without moving it for about 3 to 4 minutes, or until dark brown on 1 side only (leave the other side bright green). Transfer to a big bowl and repeat with remaining broccoli and more oil. When all the broccoli has been browned, season with 1 teaspoon salt and set aside.

  2. Step

    2

    Reduce heat to medium-low. Add butter and remaining 2 tablespoons of oil to pan. Add onions and garlic, black and red peppers, and ½ teaspoon salt. Cook onion-garlic mixture until soft and translucent, about 4 minutes. Add potato to the pot with 1 quart water and remaining 1 teaspoon salt. Bring to a simmer, cover pot and cook until potato is just tender, 10 to 15 minutes. Add broccoli, cover again and cook until tender, another 5 to 10 minutes.

  3. Step

    3

    Add lemon zest and roughly purée soup with an immersion or regular blender, leaving some small chunks for texture. Stir in lemon juice. Finish with grated Parmesan, a drizzle of olive oil, black pepper and flaky sea salt.

Ratings

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3,882

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Private Notes

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Cooking Notes

Naomi

Like Marilyn, I roasted the broccoli rather than searing it, to save time and to use less fat. Excellent results. I roasted whole garlic cloves along with the broccoli, too. Great results.

Melissa Clark

No, it won't brown.

katharine

I went old school and followed the recipe as written. I trust Melissa implicitly. It was fantastic.

Marilyn

This is excellent! I roasted the broccoli (in 2 batches, about 13 minutes each at 450 degrees, tossed in olive oil) because our smoke detector would go crazy if I seared it as directed. The bottoms got nice and browned. It worked great. I also added more liquid.

Sarah

Third time making this soup ... love it more each time! I accidentally over seared the broccoli on my second go round, and it actually made the soup even tastier! This broccoli soup provides the comfort food experience of creamier versions without the abundance of saturated fat.

Bowman

Yesterday was "use up all the zucchini you have bought on impulse at farmers' markets and are in danger of going bad" day at our house. As Ms. Clarkson points out, this recipe works very well with zucchini, about the same amount by weight as for broccoli, sliced about 1/4" thick.

The lemon and hot pepper flakes were a wonderful surprise.

Zannie

The secret to loving this soup is not to eat it hot-hot. Let it cool a bit and try it somewhere in between hot and room temperature. The flavors really bloom.

Lena

For my vegan son, I did the following changes:
Step 1: I did not sear the broccoli -- I tossed it in olive oil and roasted each batch in 450-degree oven for approximately 13 minutes.
Step 2: I substituted olive oil for the butter. I also used more than 1 quart of water (about 1 cup more).
Step 3: I did not use grated Parmesan.

Josephine

I love this soup. I don't add salt (parmesan has enough) and I make it with chicken & vegatable stock. Add lots more garlic. This is a hit at Thanksgiving last year and making it again this year. It makes a mess in the kitchen so be prepared for clean up. Next time I'll roast in oven.

ATCAyers

Delicious broccoli soup with a dash of garam masala. Even the visiting baby (11.5 mos) enjoyed it and smacked her adorable little lips for more broccoli soup!

Gypsygranny

Delicious soup. The darker the sear on the broccoli, the richer the taste. The ground black pepper was enough of a kick for me, so I will skip the red pepper flakes next time. Please do not forget the lemon zest and juice - it really brightens up all the flavors!

Atticus

This is weird.

Karen M

Delicious - even with much less salt and no butter or cheese. High quality olive oil added flavor and richness to my taste. Definitely a keeper for my husband and me!

James Pothen

I found it useful to just buy a lemon and use the juice and zest, (there should be extra zest for you to save). This skips buying two ingredients for one relatively cheap one.

Kelly

Maybe the best soup I've ever made

Lee Seiden

I roasted the broccoli. Delicious,

Berahovich

Excellent soup. Have made it many times. Can reduce the amount of oil and butter used without detriment (except to waistline).

meredith

Okay, this is one of THOSE questions: Could I use white beans instead of potato for the creamy/ binder ingredient??

David

Pressure cooker: 10 min high. 2 natural release.Use 3 cups water

Paul T

Fantastic! Used salt free chicken stock instead of water. Needed to add about a 1 1/2 quarts. Love the complexity of this soup. Hit the spot on this dreary day in WI. Thanks !

Christie

I had really high expectations for this soup, but we found it pretty meh. I followed the recipe (except I also added some MSG), but something felt missing from the final product. Adding more salt didn't fix it. (I'll be honest and admit I didn't think to try more acid, which mightve helped lift it). I think adding celery in with the onions would've helped or using broth instead of just water. I might try again with zucchini as has been suggested, but this soup just might not be for us.

kay RI

Delicious! And not to crazy for a weeknight!

Maggie

I made this for myself and my husband, who is lukewarm about soup on the best of days. I followed the recipe exactly and served with some crusty bread. My husband got seconds! This is absolutely delicious.

Christa

I can see why some chose to roast rather than sear, because I nearly set my kitchen on fire and filled my home with smoke, and I ended up doing the last batch on medium-high rather than high. But I think you definitely want a charred broccoli to intensify the flavor, which it was; this definitely wasn't boiled broccoli. I used the last of the farmstand broccoli, which was rather stemmy anyway, so it was a good use for them. Lemon added a bright flavor, which it always does.

ilona

Wow! This soup is utterly delicious. I will be making it again and again.

Hannah

Next time, I will roast the broccoli instead of searing it. The searing smoked up my kitchen a bunch and then when I put the butter in the pot afterwards, it immediately burned and had to be wiped out. (Probably me being stupid, but make sure to wait and let the pot cool off first.)That being said, this recipe is delicious, cheap, and easy. I used broth in place of the water but I could see how it wouldn't be necessary. Plenty of flavor without. Served with parmesan toasts.

Juliette

Absolutely devine. Made with 1 lb broccoli and 1 lb zucchini. Used approx half amount of oil written (I think my nonstick pan requires less oil for a good brown). Threw in a Parmesan rind at the potato stage and omitted the 1 tsp of salt. Flaky sea salt is a must at the end.

Khan

Soup was great. We added pine nuts to the bowls and it was the perfect addition. Try it! Four and one year old approved!

Saffron

Oh yes- winner! I always read the notes for nudges. I used broccoli, cauliflower and zucchini. I tossed in oil and baked- adding smashed (and extra) garlic cloves at the last. I like less hot so used smoked paprika, fennel seed and turmeric in addition to salt and pepper. Note to self- over blending may result in a gluey texture. I just saved it from this fate. I microplaned lemon zest into blender. A splash of grass fed 1/2 &1/2 and healthy shake of grated Parmesan. It’s quite delicious!

Rebecca Chicago

Any thoughts on what the measurement would be if I’m just using broccoli florets instead of the whole head? I may have been overly eager and immediately chopped my beautiful CSA broccoli heads into florets for easy storage before carefully reading this recipe... Thanks!

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Seared Broccoli and Potato Soup Recipe (2024)

FAQs

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.

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.

Why do you add flour to the potato soup? ›

To make this easy potato soup recipe, you will need:
  1. Bacon: I recommend using center-cut bacon here, to keep it a bit more lean. ...
  2. Veggies: Onion and garlic.
  3. Flour: We will use flour to make a roux to thicken the soup. ...
  4. Chicken stock and milk: These will form the broth of our soup.
Oct 15, 2018

Should I soak potatoes before putting them in soup? ›

Soaking potatoes in water helps remove excess starch. Excess starch can inhibit the potatoes from cooking evenly as well as creating a gummy or sticky texture on the outside of your potatoes. Cold water is used because hot water would react with the starch activating it, making it harder to separate from the potatoes.

Does cream cheese thicken potato soup? ›

It might be tempting to add sour cream or softened cream cheese to help thicken the soup, but these dairy products only work in certain circ*mstances. You must blend cream cheese or sour cream, either with an immersion blender or a full-size blender, for it to thicken a soup.

Does heavy cream thicken soup? ›

Heavy cream

Use heavy cream as a keto-friendly thickening option for your soups and broths. Heavy cream has more fat than regular whole milk, so you can add it to your soup recipes without worrying about it curdling.

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.

What is a substitute for heavy cream in potato soup? ›

The Best Heavy Cream Substitutes
  1. Half-and-Half and Butter. A combination of half-and-half and butter makes the best all-around heavy cream substitute. ...
  2. Milk and Butter. ...
  3. Evaporated Milk. ...
  4. Coconut Cream. ...
  5. Cream Cheese. ...
  6. Greek Yogurt and Milk. ...
  7. Soy Milk and Olive Oil.
Mar 30, 2022

How do you make potato soup not bland? ›

Perhaps the simplest approach is to flavor your soup with salt throughout the cooking process. Instead of waiting until the end of cooking to realize your soup lacks taste, you can add a bit of salt during each phase of cooking. Doing so will help bring out the flavors of each of the ingredients.

Can you use instant potatoes to thicken potato soup? ›

Honestly, if you just stir in a little instant mash, like Smash, your soup will thicken up in no time at all. Now, you may end up needing more than a spoonful, but it's best to add a little at a time, because remember, you can always add more of it, but you can't take it away.

Why is my potato soup foaming? ›

The purple foam that you're seeing while making potato soup with Russet potatoes, barley, onions, and water is likely due to a chemical reaction between the potatoes and the water. While it's not common for the foam to turn purple, it could be related to the type of potatoes you're using or some other factors.

Which type of potato is best for soups? ›

Russets or all-purpose baking potatoes are high in starch and low in moisture. In soups, they will soak up the liquid and lose their shape. This makes them the ideal choice for making creamy soups or thickening a runny soup. Try using Russet potatoes to create the perfect Loaded Potato Soup.

Can you use the water you boil potatoes in for soup? ›

You can thicken a broth, soup, or stew by using potato water rather than plain water, again avoiding using flour if you are eliminating gluten. Some people even like to turn potato water into a broth by adding celery salt, black pepper, and a little bouillon. Don't toss the potato water–look for ways to put it to use.

Can I cut potatoes the night before for soup? ›

If you're here, you'll probably be glad to know that yes, you can peel and cut potatoes the day before you plan to serve them — and that it's super easy! All you have to do is submerge the bare potato pieces in water and refrigerate (more on that later).

What is the best ingredient to thicken soup? ›

Add flour or cornflour

Put a tablespoon of either into a small bowl and stir in 2-3 tbsp of the soup until you have a smooth mixture. Stir this back into the soup and bring it to a simmer. Cook for a few minutes to allow the starch granules to burst to thicken, and to cook out any flour flavour.

Is cornstarch or flour better for thickening soup? ›

It's important to note that cornstarch has twice the thickening power of flour. If you need to substitute cornstarch to thicken liquid in a recipe that calls for ¼ cup (four tablespoons) flour, you only need two tablespoons cornstarch.

Can you add cornstarch to thicken potato soup? ›

Whisk 2 tbsp (25 g) of cornstarch or 2 tbsp (30 g) of flour with 14 cup (59 mL) of cool water. Once the starch is completely dissolved, pour the slurry into the main pot. Heat the soup to boiling for 1 minute, then reduce the heat and simmer until the soup is as thick as you'd like it.

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