Cold Thai Cucumber Soup

Cold Thai Cucumber Soup

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By Millie Pham

Cool, creamy, and full of Thai flavor

This Thai cucumber soup is like an ice-cold breeze on a hot day. It’s creamy from coconut milk, bright with lime, and full of fresh herbs.

It takes just minutes to make—no stove, no heat, no stress.

🛒 What You’ll Need

  • 2 large cucumbers, peeled and chopped
  • 1 can (13.5 oz) unsweetened coconut milk
  • Juice of 1 lime (about 2 tablespoons)
  • 1/4 cup fresh cilantro leaves
  • 1 tablespoon fresh mint leaves
  • 1 small garlic clove
  • 1/2 teaspoon grated ginger
  • 1/2 teaspoon salt (or to taste)
  • 1–2 teaspoons fish sauce (optional, for savory depth)
  • 1/2 teaspoon sugar (optional)
  • Ice cubes (optional, to chill fast)
  • Thinly sliced red chili or extra herbs (for garnish)

🧡 Why I Love This Recipe

The first time I had a cold Thai-style soup like this, it was in a tiny beach café in Thailand. It was the middle of the day, humid, and this soup felt like a reset button. I’ve been making it ever since—especially when it’s too hot to even think about turning on the stove.

  • It’s creamy without being heavy.
  • So easy—just blend and chill.
  • The combo of herbs, lime, and coconut is super refreshing.
  • Feels fancy but takes no time at all.
  • Great as a starter or light lunch.

Servings: 4
Total Time: 10 minutes
Cook Time: 0 minutes

🧠 Why This Recipe Works (Quick Science)

  • Cucumbers are mostly water, so they blend into a smooth, hydrating base.
  • Coconut milk adds richness and fat to carry the herbal flavors.
  • Lime juice brightens everything and balances the coconut’s natural sweetness.
  • Ginger and garlic add depth and a little heat to balance the coolness.

🍽 Meal Plan Ideas

  • Serve before Thai curry or noodle dishes
  • Pair with rice paper rolls or shrimp skewers
  • Add to a light lunch with a side of sticky rice and pickled veggies
  • Use as a starter for a summer dinner party

😬 Common Mistakes

  • Using thick, seedy cucumbers – Choose ones with fewer seeds for a smoother texture
  • Too much garlic – It’ll overpower the fresh flavors
  • Skipping the salt or acid – Balance is everything in this soup
  • Blending too long – You don’t want it foamy

🍴 What to Serve With

  • Grilled lemongrass chicken
  • Thai rice noodles with peanut sauce
  • A light Thai cucumber salad
  • Coconut rice or sticky jasmine rice

❓ FAQ

Can I use yogurt instead of coconut milk?
Sure, but the flavor will be more tangy and less creamy.

What herbs can I use if I don’t have cilantro?
Try Thai basil or more mint for a slightly different flavor.

Can I make it spicy?
Yep! Add a few slices of red chili or a dash of sriracha.

How long does it last?
Up to 2 days in the fridge. Stir before serving.

👨‍🍳 Tools You’ll Need

  • Blender or food processor
  • Cutting board & knife
  • Citrus juicer (or squeeze by hand)
  • Measuring spoons
  • Serving bowls

🧂 Substitutions & Variations

  • Use Greek yogurt for a tangy twist
  • Add avocado for extra creaminess
  • Sub lime juice with rice vinegar for a sharper edge
  • Toss in a small piece of lemongrass (bruised) and strain before serving
  • Make it spicy with a Thai chili or chili oil drizzle

⏳ Make Ahead Tips

  • Blend the soup a day ahead and keep chilled
  • Garnish right before serving for the freshest look and flavor
  • Add ice cubes just before eating for that extra chill

👨‍🍳 Instructions

Step 1: Prep the Cucumbers

Peel and chop cucumbers into chunks. If they’re seedy, scoop them out first.

Step 2: Add Everything to the Blender

In your blender, add chopped cucumber, coconut milk, lime juice, cilantro, mint, garlic, grated ginger, salt, fish sauce (if using), and sugar (if using).

Step 3: Blend Until Smooth

Blend everything on high for about 30–45 seconds until smooth and creamy. Taste and adjust seasoning if needed.

Step 4: Chill and Garnish

Pour soup into bowls and chill in the fridge for 30 minutes (or serve right away with a few ice cubes). Garnish with thin chili slices or more herbs.

Cold Thai Cucumber Soup

🧊 Leftovers & Storage

  • Keep in a sealed jar or container for up to 2 days in the fridge
  • Stir well before serving again
  • Not freezer-friendly (the texture changes)

💬 Let’s Wrap It Up

This cold Thai cucumber soup is a total summer game-changer—refreshing, creamy, and full of bold flavor. Try it once, and you’ll keep it on repeat. Let me know how yours turns out or drop a question in the comments. I’d love to hear from you!

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