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Chilled Zucchini Soup With Lemon and Basil
Updated Oct. 12, 2023
![Chilled Zucchini Soup With Lemon and Basil](https://static01.nyt.com/images/2023/08/04/multimedia/HM-Chilled-soup-of-zucchini-lemon-and-miso--qbkc/HM-Chilled-soup-of-zucchini-lemon-and-miso--qbkc-articleLarge.jpg?width=1280&quality=75&auto=webp)
- Total Time
- 15 minutes, plus optional chilling
- Prep Time
- 10 minutes
- Cook Time
- 5 minutes
- Rating
- Notes
- Read community notes
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Ingredients
- 2pounds zucchini, trimmed and roughly chopped
- 2cups basil leaves (about 2 ounces), plus more to serve
- 1cup roasted cashews (5 ounces), plus ¼ cup chopped roasted cashews to serve
- 6tablespoons lemon juice (from 2 lemons), plus more if needed
- 3garlic cloves, roughly chopped
- 2tablespoons white (shiro) miso
- 2cups vegetable stock
- Kosher salt and black pepper
- Ice cubes (optional)
- Extra-virgin olive oil, to serve
Preparation
- Step 1
Place the zucchini, basil, cashews, lemon juice, garlic, miso, vegetable stock and 2 teaspoons salt in a blender or food processor and blitz until smooth and silky. Taste and check seasonings, adding more salt or lemon juice as needed.
- Step 2
Chill in the refrigerator for at least 2 hours or serve immediately, transferring the soup to a bowl and adding a few ice cubes if needed. Top with chopped cashews, a drizzle of olive oil, black pepper and a few basil leaves.
Private Notes
Cooking Notes
This soup is delicious! Great way of using summer, zucchini, and basil. Adding mint takes it to the next level. Note to Cooking editors: it would be most helpful if you indicated the yield in cups rather than four servings. Who is to say how much is in a serving? If I knew this yielded 6 cups, I would’ve used a food processor instead of a blender. Using a blender, I had to do the recipe in multiple batches. From start to finish it took me 45 minutes to prepare this soup. Worth it.
In order to guarantee a creamy soup, first place the cashews, lemon juice and just 1/2 cup of the stock in the blender or food processor. Blend to create a creamy liquid. Then add zucchini, basil, garlic, miso, remaining vegetable stock and 1-2 teaspoons salt in the blender or food processor.
David, I’d soak almonds for a few hours or overnight, remove the skins, and use the hydrated nuts in place of cashews. The soaking really softens and plumps the almonds.
This is a delicious soup and I actually liked the slight crunch of the toasted cashews..I did add crumbled feta cheese when serving to increase the protein. A worthy addition to the cold soup roster
Start with the toasted cashews and half of the broth to make a cashew cream, then add the rest of the ingredients if you want a creamy soup. Or just use your own home made cashew cream to taste.
This was delicious with my garden zucchini. I added in 1/2 avocado for some additional creaminess.
There is no way this soup will become creamy or silky. Flavor was good but def not silky no matter how much i blended.
I started in the food processor, which took all ingredients in one batch, but couldn't get it creamy enough. Moved to the Vitamix (in 2 batches) and it has exactly the texture I wanted. More dirty dishes, but don't think I'd have gotten the ingredients to mix properly if I'd started in the blender. Had a sample bowl - think it'll be fabulous once chilled! (P.s. Mine isn't as green as the photo either, even though most of my zukes had very dark skins. Oh well - tastes great!)
I'd suggest macadamia nuts or pistachios.
This was better than expected, actually quite delicious. I made it with half raw zucchini and half leftover zuke that had been grilled with olive oil, salt and pepper. Used plain water in place of veg broth, and three tablespoons pesto, which I had to use up, instead of fresh basil. Kept everything else the same and blended it all in a Vitamix. I wouldn’t say is was creamy, but it was smooth enough to be thoroughly enjoyable. Would def make it again when zucchini gets out of hand.
If you eat dairy, you could try something like a bit of sour cream or creme fraiche to add the creaminess I imagine. Silken tofu could be nice as well, and/or an avocado. If you don't mind the added step of having to cook, blending in some peeled boiled potatoes could be an option as well, though that defeats the purpose of it being basically no-cook.
I can eat pretty much any nuts other than cashews. I'd appreciate any suggestions as to what would be a substitute most in keeping with this dish. Thanks.
Thoughts on swapping cashews for soft tofu in this recipe? Thanks!
The flavor of this was good and I wanted to like it, but the texture is a far cry from creamy or smooth. Lengthy efforts to purée never quite rid it of its grittiness, a texture not unlike cream of wheat. I wonder if using raw instead of roasted cashews and peeling the zucchini would make a difference. I've been eating it with crumbled feta cheese and a little salsa macha.
Fantastic! Easy to make and wonderful on a hot night.
Any thoughts on whether using raw cashews vs roasted cashews and whether soaking them would help it be more silky? Also I don't have miso, is it ok without?
No cashews, so substituted 1/2 cup almond flour (basically just pulverized blanched almonds) and the suggested avocado for a perfectly creamy soup. Chopped roasted almonds along with the oil, pepper and basil leaves to top.
Came out silky and creamy in my Vitamix. It was delicious but was also surprisingly filling. Additionally, the garlic really took over. I used 3 large cloves of garlic and was too much. I would suggest adding a clove at a time to desired taste. After a couple days in fridge, garlic really mellows. Ultimately, this is a winner of a dish. Serve with toasted sourdough bread.
Notes very helpful and I started by blending cashews, garlic, miso, lemon juice and some of the stock until smooth before adding other ingredients. I have a large old fashioned vitamix so had no problem making the soup in one batch, but I did whiz it around once with half the zucchini before adding the rest. Absolutely delicious and perfectly creamy texture.
Just made this in the blender using 1.5# of zukes. Perfect volume. I don’t do nuts so used two tiny avocados as the emulsifier. Delish and very silky! I added a bit of Chili crisp to my serving but I think there will be many ways to experiment with serving (sour cream, balsamic vinegar, cilantro, mint). For volume reference, as made it almost filled my kitchenaid mixer, and three of us used up only a third of that. I love leftovers!
Really delicious! Used soft tofu instead of the cashews, with extra olive oil drizzle. Super fast, healthful, and refreshing for the summer. Would probably be great with dill or mint too.
Delicious and very quick to make. I added a small-ish Texas cowhorn / cayenne pepper for a hint of bite. A bit coarser using a food processor but I enjoyed that this time. I’ll make this again! The zucchini are piling up!
I felt like this soup needed something. I wonder if adding a half cup of cream would go well with this soup; I would have liked a more creamy version. I did not have miso -- we were out of it -- but I used soy sauce, which helped. You’ll definitely want to sprinkle the soup with feta or some other cheese.
Since grittiness seems to be an issue, why not use a cooked potato instead of the cashews?
I used unsweetened, organic almond milk in place of the cashews... and added some avocado. It is deliciously smooth when prepared in a Vitamix (or similar). As I had an organic lemon, I included some zest. A healthy, savoury summer treat!
I love this soup. I just finished making it. I followed the suggestion of steaming the zucchini which I did with some of the broth and the garlic. I used silken tofu instead of the cashews to make it lower fat. With the miso I don’t think it needs any additional salt, and I like salty food. I blended it in 3 parts in my ninja, and it came out very smooth, not gritty at all. It’s delicious.
Can substitute miso with nutritional yeast.
I used boiled, unroasted cashews, and as suggested, buzzed them in my Vitamix with the lemon juice and 1/2 cup of stock. Added half the ingredients and buzzed them for another minute. Poured the soup into a bowl and did the same with the other half of the ingredients. No trouble with the consistency. The color was a nice, pale green, nowhere as dark as the photo. I couldn't decide whether I liked it or not. Sort of tasted like I was eating a bowl of pesto with nothing else in it.
Can this soup be frozen for future enjoyment?
Can there possibly be a recipe for turning zucchini into edible food? *optimistically saves to recipe box*
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