Watermelon Cooler
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When Pakistani summers peak in June and July, watermelon is piled high on every roadside cart, and a cold glass of watermelon juice is one of the quickest ways to cool down, especially at iftar. This desi version blends the fruit with fresh mint, lemon and a pinch of black salt, which gives it a tangy, slightly savoury edge. Blending briefly and then straining keeps it light, clear and refreshing rather than frothy and pulpy.
- ⏱ Total: 10 min
- Prep: 10 min
- Easy
- Serves 4
Method
Tap a step when it is done.
Cut the rind off the watermelon and cut the flesh into cubes, flicking out as many black seeds as you easily can.
Put the watermelon and mint leaves in the blender and blend in short pulses for 20–30 seconds, just until liquid. Over-blending crushes the seeds and makes the juice frothy and bitter.
Pour through a sieve into a jug, stirring the pulp gently to let the juice run through. Discard the pulp and seeds.
Add the lemon juice, black salt, roasted cumin and sugar if using, and stir for 30 seconds until everything dissolves.
Taste for balance: sweet from the melon, tangy from the lemon, with a light salty finish. Adjust the black salt or lemon a pinch at a time.
Add the ice and stir. Pour into glasses, garnish with a mint leaf and serve at once.
Kitchen notes
Start with a chilled watermelon. The juice needs less ice and stays full-flavoured instead of being watered down.
Watermelon juice separates and loses its fresh taste within a few hours. Make it close to serving, and stir before pouring.
Black salt has a strong, sulphurous taste. Add half the amount first if your family is not used to it.
Summer in a glass
Watermelon season in Pakistan runs from May to August, and at its height the fruit is so plentiful that whole carts of them line the roads out of every city. Families buy a whole melon, chill it in a bucket of cold water or the fridge, and turn part of it into juice. It is one of the most common drinks at iftar during summer Ramadan, because it is hydrating, light on the stomach and needs no cooking. The desi touch is the seasoning: mint, lemon and black salt, the same trio that flavours shikanjvi and many street drinks.
Blend briefly, strain well
Watermelon is mostly water, so it liquefies in seconds. Blending it longer does no good: the blades whip air into the juice, turning it pink and foamy, and start to crack the black seeds, which adds bitterness. A few short pulses are enough. Straining then removes the seeds and stringy pulp, leaving a clear, light juice that feels cooling rather than heavy. The mint goes into the blender with the fruit so its flavour is spread evenly, while the lemon and black salt are stirred in afterwards so you can taste and adjust them precisely.
Variations
- Watermelon lemonade: double the lemon juice and add 2 tablespoons of sugar.
- Fizzy cooler: top each glass with a splash of chilled soda water.
- Watermelon slush: freeze the cubes for 2 hours first and blend them without straining.
Storing and serving
Serve watermelon cooler cold and fresh, ideally within an hour or two. If you must keep it, store it covered in the fridge for up to a day and stir well, as it separates on standing. Leftover juice can be frozen into ice lollies for children.
Questions people ask
Do I need to remove all the seeds?
No. Remove what comes out easily, blend in short bursts so the rest stay whole, and the sieve will catch them.
Can I skip the black salt?
Yes, use a small pinch of ordinary salt instead. The drink will still be refreshing, just less tangy and less like the street-style version.
Why does watermelon juice turn frothy?
Blending too long whips air into the juice. Pulse briefly and let it stand for a minute before straining so the foam settles.
Nutrition (estimate, per serving)
- Calories
- 95
- Protein
- 1 g
- Fat
- 0 g
- Carbs
- 23 g
