No-Bake Chilled Watermelon and Mint Soup

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A cooling, sweet soup made from pureed watermelon, fresh mint, and a hint of lime — a perfect light starter for hot summer days. This mediterranean-inspired soups (vegetarian) ready in about 10 minutes pairs cubed seedless watermelon, loosely packed fresh mint leaves, fresh lime juice for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 70 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 10 min Serves 4 Mediterranean cuisine 70 cal/serving
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Ingredients

Instructions

  1. Step 1: In a blender, combine 4 cups cubed seedless watermelon, 1/4 cup loosely packed fresh mint leaves, 2 tbsp fresh lime juice, 1 tbsp honey, 1/2 cup cold water, and 1/4 tsp salt. Blend until completely smooth and well combined.
  2. Step 2: Pour the mixture through a fine mesh sieve into a large bowl to remove pulp for a silky texture, pressing down with a spatula.
  3. Step 3: Cover and refrigerate the strained soup for at least 2 hours until well chilled.
  4. Step 4: To serve, ladle the chilled watermelon soup into bowls and garnish each with a few diced pieces of 1/2 small peeled cucumber and a fresh mint sprig for a refreshing finish.

Equipment for this recipe

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Frequently asked questions

How long does No-Bake Chilled Watermelon and Mint Soup take to make?

Total time is about 10 minutes (10 min prep + 0 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover No-Bake Chilled Watermelon and Mint Soup?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep cubed seedless watermelon from drying out.

Can I substitute ingredients in No-Bake Chilled Watermelon and Mint Soup?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale No-Bake Chilled Watermelon and Mint Soup for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is No-Bake Chilled Watermelon and Mint Soup vegetarian?

Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.