This cold cucumber soup takes minutes to make and might just be the most refreshing thing you taste all summer. Unlike most chilled soups, which require hours of refrigeration before eating, this cucumber soup can be served straight out of the blender. That means you’re just minutes away from one of the most refreshing soups on the planet!
This cold cucumber soup is one of my FAVORITE speedy lunches or appetizers on sweltering days! With cucumbers, buttermilk, jalapeño, herbs and lemon juice, it’s a vivacious, healthy meal that will chill things down during the dog days of summer.
How to make cold cucumber soup
The trick is to use cold ingredients straight from the fridge. All you do is throw everything in the Vitamix or blender, and let it do its thing. Once it's creamy and smooth, pour the chilled cucumber soup into bowls and top it with drizzle of good quality olive oil and a sprinkle of flaky sea salt (the salt is optional, but it provides a lovely crunch and pop of flavor).
Cucumber soup with buttermilk
This soup gets creaminess and body from buttermilk. Buttermilk is a low-fat cultured milk that I love to use in biscuits and dressings (like the creamy Greek dressing in this recipe). If you don't have it, you can use plain yogurt or kefir instead.
Serving suggestions
While this chilled cucumber soup is delicious straight from the blender, you can also store it for up to 1 day. Pack it up for a healthy lunch on the go, or serve it as an elegant first course at dinner! Just be sure to blend it briefly before serving, as the soup will separate in the fridge.
Recipe tips:
- The recipe calls for English cucumbers, which have thin skins and few seeds. However, if you use regular garden cucumbers (which have thicker skins and big, watery seeds), peel them and remove the seeds before adding the cucumbers to the blender.
- I make this soup in my Vitamix blender, which makes it ultra silky. However, any blender will work.
- If you're serving this soup right away, make sure that all of your fresh ingredients are cold, straight from the refrigerator.
- If you don't have buttermilk you can use about ½ cup plain yogurt instead (thin the soup with water as needed), or you can use kefir.
- Feel free to swap out the dill for other tender herbs, such as basil and/or chervil.
- Drizzle the soup with the best quality olive oil you have. A sprinkle of flaky sea salt adds a burst of flavor and crunch, but it's optional.
- While this chilled cucumber soup is delicious straight from the blender, you can also store it for up to 1 day. Pack it up for a healthy lunch on the go, or serve it as an elegant first course at dinner! Just be sure to blend it briefly before serving, as the soup will separate in the fridge.
Other easy blender & Vitamix recipes to try:
- Blender Tomato Soup
- Easy Homemade Blizzards
- Banana Oat Blender Pancakes
- Blueberry Blender Muffins
- Green Chickpea Wraps
- Easy Carrot Cake with Maple Cream Cheese Frosting
- Carrot Cake Muffins
- Black Bean Brownies
- Chocolate Quinoa Cake with Cocoa Whipped Cream Frosting
- Vegan Mango Ice Cream
Stay connected
I'd love to answer any of your questions and see what you're cooking!! Don't forget to give this recipe a star rating and leave a comment below. Follow along on Instagram, Facebook, YouTube & Pinterest, and be sure to tag @nickisizemore so that I can share your creations!
Get the recipe!
5-Minute Cold Cucumber Soup
Ingredients
- 1 cup buttermilk
- 2 garlic cloves, coarsely chopped
- ½ jalapeño pepper, seeds and ribs removed, coarsely chopped
- 2 small green onions, coarsely chopped
- 2 pounds seedless (English) cucumbers (about 2 large cucumbers), coarsely chopped
- 2 tablespoons coarsely chopped dill, plus additional for garnish
- 1 tablespoon fresh lemon juice
- 1 teaspoon Champagne or white wine vinegar
- ½ teaspoon sugar
- Kosher salt
- Freshly ground black pepper
- 2 tablespoons extra virgin olive oil, plus additional for serving
- Flaky sea salt for serving, optional
Instructions
- Place the buttermilk, garlic cloves, jalapeño, green onions, cucumbers, dill, lemon juice, Champagne vinegar and sugar in a blender. Season with salt and pepper. Blend on high until smooth.
- Add the olive oil and blend until combined. Taste and season with additional salt and pepper, if needed.
- Serve immediately or chill for up to 1 day. Drizzle each bowl with a bit of extra virgin olive oil and sprinkle with flaky sea salt before serving.
Notes
- I make this soup in my Vitamix blender, which makes it ultra silky. However, any blender will work.
- If you're serving this soup right away, make sure that all of your fresh ingredients are cold, straight from the refrigerator.
- If you don't have buttermilk you can use about ½ cup plain yogurt instead (thin the soup with water as needed), or you can use kefir.
- Feel free to swap out the dill for other tender herbs, such as basil and/or chervil.
- Drizzle the soup with the best quality olive oil you have. A sprinkle of flaky sea salt adds a burst of flavor and crunch, but it's optional.
- While this chilled cucumber soup is delicious straight from the blender, you can also store it for up to 1 day. Pack it up for a healthy lunch on the go, or serve it as an elegant first course at dinner! Just be sure to blend it briefly before serving, as the soup will separate in the fridge.
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