Cucumber, Mint & Jalapeño Cooler

Serves 2 · 15 minutes, plus 15 minutes chilling

One cucumber, two recipes.

This cooler uses the cucumber pulp left over from making our Cucumber, Lime & Spearmint Sorbet.

Ingredients

g cucumber pulp about 2 drinks

The servings are an estimate. Pulp gives up different amounts of liquid, so the volume you measure after straining decides how many drinks it makes.

For the cucumber base

150 g cucumber pulp, reserved from straining fresh cucumber juice
200 ml cold water
30 g freshly squeezed lime juice
20 g granulated sugar
8–10 fresh mint leaves
2–4 thin jalapeño slices, seeds removed for less heat
0.3 g fine salt

For serving

Ice cubes
4 thin cucumber rounds
2 thin jalapeño rounds
2 fresh mint sprigs

Method

Combine the cucumber pulp and cold water in a bowl. Stir thoroughly and refrigerate for 10–15 minutes to extract the remaining cucumber flavor.
Pass the mixture through a fine-mesh sieve, pressing the pulp to recover the liquid. Discard the exhausted solids.
Combine the sugar with a small amount of the extracted cucumber liquid. Stir until dissolved, warming this small portion gently if necessary. Cool completely before continuing.
Lightly bruise the mint leaves between your fingers to release their aroma. Add them to the cucumber liquid along with the jalapeño slices, lime juice, dissolved sugar, and salt.
Refrigerate for 10–15 minutes, tasting periodically. Remove the jalapeño when the desired heat is reached.

Jalapeño heat

Use 3 slices and take them out after about 10 minutes.

Jalapeños vary in heat from one pepper to the next, so treat this as a starting point and keep tasting.
Strain the mixture to remove the mint and jalapeño. Taste and adjust the lime or sweetness if necessary.
Fill 2 mason jars with ice. Add two cucumber rounds and one jalapeño round to each glass.
Pour the chilled cucumber mixture over the ice.
Garnish with a fresh mint sprig and serve immediately.

More information

Using the whole cucumber

This recipe was developed as a companion to our Cucumber, Lime & Spearmint Sorbet.

When cucumber is blended and strained, the remaining pulp retains moisture, soluble flavor compounds, and some of the vegetable's characteristic aroma.

A second extraction with cold water recovers additional flavor while reducing food waste.

The resulting liquid is lighter than freshly extracted cucumber juice, making it suitable for a refreshing drink.

The chemistry of cucumber aroma

Much of cucumber's recognizable fresh aroma comes from volatile aldehydes, including (E,Z)-2,6-nonadienal.

These compounds contribute the characteristic green, watery aroma associated with freshly cut cucumber.

Blending disrupts cucumber cells and promotes the formation and release of aroma compounds through enzymatic reactions involving fatty acids.

Cold extraction avoids introducing unnecessary heat, although some volatile compounds may already have been lost during the first extraction.

Why mint and jalapeño?

Mint contributes aromatic compounds that create a cooling, herbal impression.

Jalapeño introduces capsaicinoids, principally capsaicin and dihydrocapsaicin, which activate heat-sensitive sensory receptors.

These compounds do not literally increase the drink's temperature. Instead, they create a sensation of heat.

Because capsaicinoids are poorly soluble in water, extraction into this water-based drink is variable. The amount of jalapeño, contact time, and degree of cutting will influence the resulting heat.

Lime acidity

Lime provides acidity that balances the sweetness and reinforces the drink's refreshing character.

Adjusting the flavor

For a sweeter drink, increase the sugar slightly.

For greater acidity, add lime juice in small increments.

For a more pronounced herbal character, increase the mint infusion time rather than aggressively crushing the leaves.

For more heat, use additional jalapeño slices or extend their contact time. Taste regularly to avoid overpowering the cucumber.