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Creamy Cauliflower saffron soup made without cream, with potato, saffron, garlic, and vegetables blended until silky smooth.
Know Before You Scroll
What You’ll Need
Cauliflower, potato, onion, celery, garlic, saffron, stock, olive oil, and fresh parsley.
Flavor Profile
Mild and savory with sweet cauliflower, aromatic saffron, garlic, and a fresh parsley finish.
Difficulty Level
Easy. Most of the cooking is hands-off once the vegetables and stock are in the pot.
Equipment Needed
A large saucepan or Dutch oven and an immersion blender. A countertop blender or food processor works too.
Top Tip
Don’t brown the onion and celery. Cook them gently until soft so they build flavor without muddying the color or overpowering the saffron.
Time-Saving Tips
Use pre-cut cauliflower florets to skip the chopping. They can go straight into the pot, just cut any especially large pieces down so they cook evenly.
Ingredient Swaps
Use chicken or vegetable stock. Yukon Gold or russet potatoes both work, and cilantro or chives can replace the parsley if that’s what you have.
In The Test Kitchen
The clever thing about this soup is that it tastes much richer than the ingredient list suggests. There’s no cream at all, the potato gives the cauliflower enough body that once everything is blended, you get that smooth, creamy texture naturally.
Saffron could easily get lost in a pot of soup, so I steep it in hot stock first. That gives it time to release its color and flavor before the stock goes into the pot. Onion, celery, and garlic give the soup a savory base without competing with the delicate saffron.
The other thing I like about this recipe is that nothing needs browning. In fact, I don’t want it to. Keeping the vegetables pale gives you a cleaner cauliflower flavor and lets that beautiful golden saffron color come through.
Ingredient Notes
Cauliflower
Best Choice
Choose a firm, fresh head of cauliflower without dark or soft spots. Cut it into roughly 1-inch pieces so everything cooks at about the same rate.
Substitutions
Frozen cauliflower can work in a pinch. There’s no need to thaw it first, although the cooking time may be slightly shorter.
Saffron
Best Choice
Use saffron threads rather than ground saffron. You only need a small amount, and steeping it in the hot stock helps make the most of both its flavor and color.
Substitutions
There really isn’t a direct substitute for saffron. Turmeric can provide a golden color, but the flavor will be completely different, so I’d rather leave the saffron out than try to imitate it.
Potato
Best Choice
A medium Yukon Gold potato is my first choice because it blends beautifully and gives the soup body without making it heavy.
Substitutions
A russet potato also works well.
Where to Find
Insert here
Stock
Best Choice
Use a good-quality chicken stock for a slightly richer savory flavor or vegetable stock to keep the soup vegetarian.
Substitutions
Either can be used interchangeably. If your stock is salted, wait until the soup is blended before deciding how much additional salt it needs.
Where to Find
Insert here
You can find the full, printable recipe at the top of this post, but you can read the detailed instructions with photos for each step below.
Step By Step Instructions
1
Steep The Saffron
Bring the stock just to a simmer, then remove it from the heat. Add the saffron threads and leave them to steep while you prepare the vegetables. The stock will gradually take on the saffron’s golden color.
2
Build The Flavor Base
Heat the olive oil in a large saucepan or Dutch oven over medium-low heat. Add the onion and celery and cook for about 5 minutes, stirring occasionally.
You’re looking for vegetables that are soft and translucent, not browned. Add the garlic and cook for another minute, just until fragrant.
3
Add The Cauliflower And Potato
Add the cauliflower and potato and stir them through the softened vegetables so everything gets lightly coated in the oil.
Pour in the saffron-infused stock and increase the heat to bring the soup to a boil.
4
Simmer Until Completely Tender
Reduce the heat, cover, and simmer for about 20 minutes.
Don’t rush this part. The cauliflower and potato should be completely tender before blending, a knife should slide easily into the potato without resistance.
5
Blend Until Creamy
Remove the pot from the heat and blend with an immersion blender until smooth and creamy.
If you’re using a countertop blender, work in batches and take care when blending hot liquids.
Once the soup is smooth, stop blending. The potato gives the soup its creamy texture, but excessive blending can make potato-based soups gummy.
6
Season And Serve
Taste the soup and season well with salt and freshly ground black pepper.
If it’s thicker than you’d like, add a splash more warm stock until it reaches the consistency you want.
Finish with plenty of chopped fresh parsley and serve hot.
Perfect Pairings
Recipe
Creamy Cauliflower Saffron Soup
Ingredients
- 4 cups chicken stock or vegetable stock
- ¼ teaspoon saffron threads
- 2 tablespoons olive oil
- 1 large onion (chopped)
- 2 celery stalks (finely chopped)
- 2 cloves garlic (chopped)
- 1½ pounds cauliflower (cut into 1-inch pieces)
- 1 medium Yukon Gold or russet potato (peeled and quartered)
- Salt and freshly ground black pepper (to taste)
- A generous handful fresh parsley (chopped)
Instructions
- Add the stock to a saucepan and bring just to a simmer. Remove from the heat, add the saffron threads, and set aside to steep.
- Heat the olive oil in a large saucepan or Dutch oven over medium-low heat. Add the onion and celery and cook for about 5 minutes, until tender but not browned.
- Add the garlic and cook for 1 minute, just until fragrant.
- Add the cauliflower and potato and stir to coat with the oil and vegetables.
- Pour in the saffron-infused stock and bring to a boil. Reduce the heat, cover, and simmer for about 20 minutes, or until the cauliflower and potato are completely tender.
- Remove from the heat and blend with an immersion blender until smooth and creamy. Don’t blend longer than necessary.
- Taste and season with salt and freshly ground black pepper. If needed, thin with a little additional warm stock.
- Garnish generously with chopped fresh parsley and serve.
Tips
Erren’s Top Tips
Give the saffron time to steep. Adding it to hot stock before it goes into the soup helps draw out more of its flavor and gorgeous golden color. Keep the vegetables pale. This isn’t one of those recipes where deeply caramelized onions make everything better. Gentle cooking keeps the finished flavor delicate. Cook the vegetables until really tender. If the cauliflower or potato still has any bite, you’re much less likely to get that silky texture when you blend. Don’t over-blend the potato. Blend just until the soup is smooth. Too much blending can release excess potato starch and make the texture gluey. Season after blending. Stock varies enormously in saltiness, and reducing and blending the soup concentrates the flavor. Taste it before reaching for the salt. Adjust the consistency at the end. Cauliflower and potatoes vary in size and starchiness. If your soup is thicker than mine, a little extra stock is an easy fix.Variations & Add-Ins
Add a little heat: A pinch of crushed red pepper or cayenne gives the soup some warmth without covering up the saffron. Finish with lemon: A small squeeze of fresh lemon juice added after cooking can brighten the whole pot. Start with a little—you don’t want to overpower the saffron. Make it extra luxurious: If you’re not concerned about keeping it dairy-free, swirl a little cream into individual bowls before serving. Add crunch: Top with homemade croutons, toasted almonds, or crispy chickpeas to contrast with the smooth soup.Storage & Freezing
In the refrigerator: Allow the soup to cool, transfer it to an airtight container, and refrigerate for up to 4 days. To reheat: Warm gently in a saucepan over medium-low heat, stirring occasionally. The soup may thicken after chilling, so add a splash of stock or water if needed. To freeze: Cool completely and freeze in an airtight freezer-safe container for up to 3 months, leaving a little room for expansion. Thaw overnight in the refrigerator and reheat gently. Give it a good stir after reheating to bring the texture back together.
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FAQs
Why is my cauliflower soup not creamy?
Usually the vegetables weren’t cooked until completely tender or there isn’t enough starch in the soup. In this recipe, the potato supplies the starch that gives the puréed cauliflower its creamy texture without needing cream.
Can I make cauliflower soup without cream?
Absolutely. Cauliflower becomes naturally smooth when puréed, and adding potato gives the soup extra body and a creamy mouthfeel without dairy.
Why do you soak saffron before cooking?
Saffron releases its color, aroma, and flavor when it comes into contact with warm liquid. Steeping the threads in the hot stock before adding it to the soup helps distribute the saffron throughout the dish.
Can I use frozen cauliflower?
Yes. Add frozen cauliflower directly to the pot without thawing. Check it a little earlier because it may become tender faster than fresh cauliflower.
Can I make this soup vegetarian or vegan?
Yes. Use vegetable stock instead of chicken stock. The rest of the soup is already dairy-free and contains no other animal products.
Can I make cauliflower saffron soup ahead?
Yes. This is a great make-ahead soup. Refrigerate it for up to 4 days and reheat gently, adding a little stock if it has thickened.
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