Why Mint and Cucumber Make a Spring Classic

When the first properly warm days arrive, a jug of something cold, green and restorative is just the thing. Iced mint and cucumber tea fits perfectly. Cucumber is almost entirely water with a clean, grassy sweetness; mint brings a bright, cooling sensation that tricks your palate into feeling a breeze. British gardens are generous with mint from April, and spring cucumbers — ridge or mini — are at their crispest. This is a drink that belongs to the season, and it's a gentle way to practise cold infusion and balancing sweetness.

Spearmint is the classic mint, but apple mint or Moroccan mint work well if you grow them. Don't peel cucumber unless the skin is waxed or tough; much of the flavour is in the skin.

Choosing Your Tea Base and Cucumber

For a light iced tea, avoid hefty black blends. A Chinese green tea or white peony gives a delicate backdrop. You'll need 1 litre of cold filtered water to 4–6 teaspoons of loose green tea, or 4 tea bags. A 50/50 mix of green tea and light oolong adds a little more edge. Don't use boiling water on green tea — 80°C for 2–3 minutes if hot-brewing, though I prefer cold brewing below.

For cucumber, a 15cm piece of ridge cucumber, or three minis. Slice thinly. For mint, a generous handful, about 20g of leaves. Spearmint is sweeter and less aggressive than peppermint. Always taste a leaf first; mint varies enormously.

The Cold Infusion Method

Cold brewing extracts flavour without tannic bite and keeps the tea clear. Put tea in a large jar or jug. Add the cold water. Cover and refrigerate for 4–6 hours. Taste after 4; leave longer if you want more strength. Strain through a fine sieve, pressing gently on the leaves. You should have a pale gold or light green liquid.

Add cucumber slices and half the mint, lightly bruised between your fingers. Return to the fridge for 30 minutes to 2 hours. Don't leave cucumber longer than 2 hours — it turns bitter and the tea can go murky. Strain again. The base keeps in the fridge for up to 3 days.

Sweetening Lightly — and Why It Matters

Cold dulls sweetness. A tea that tastes sweet at room temperature will seem flat over ice. Make a light mint syrup: 100g caster sugar and 100ml water, warmed gently until dissolved. Turn off the heat, add 10 mint leaves, steep 10 minutes, then strain and cool. This makes about 150ml, enough for 10–12 glasses. Start with 1 teaspoon per glass, stir, taste, add more if needed. Honey or agave work too, but use slightly less as they're sweeter.

The goal is a gentle backdrop, not a sugary drink. The tea should taste primarily of cucumber and mint, with tea as a soft underline. Offer syrup on the side for guests.

Assembling, Icing and Serving

Chill glasses in the freezer for 10 minutes. Fill with large ice cubes — bigger cubes melt slowly and dilute less. Pour strained tea over ice, leaving a little room. Add a thin slice of unwaxed lemon and a few cucumber ribbons (run a peeler down the length, then curl around your finger). Top with a mint sprig you've slapped against your palm to release oils.

• For a jug: double the base, add ice just before serving, stir gently.
• For sparkle: top with soda or sparkling water.
• Herbal version: skip tea; cold-brew 20g mint and a sliced cucumber in 1 litre water for 2 hours.

Seasonal Twists and Kitchen Skills

Spring offers easy variations. Add sliced strawberries or a few elderflower heads to the cold brew. A stick of rhubarb, chopped and cooked into the syrup, gives a pink tint and tartness. Lemon verbena or lemon balm in place of some mint is a revelation. These are the same skills — infusion, balance, patience — applied to what's growing.

Two skills worth taking: cold infusion works for tea, coffee, herbs and fruit without scalding. And taste in stages — after 4 hours, after steeping syrup, before serving. Adjust. That's the difference between pleasant and memorable.

• Make ahead: brew tea base up to 3 days ahead. Add cucumber and mint on the day.
• No waste: leftover cucumber goes into salad; spent mint to compost.
• Pitfall: never leave mint or cucumber in overnight — it turns medicinal.