Culture & Savoir-faire Recettes & Dégustation

Cold Brew vs. Hot Brew: Making Iced Tea Right

Infusion à froid vs chaud : réussir son thé glacé

Making iced tea sounds simple: a few leaves, water, and ice cubes. Yet, how many times have you ended up with a bland, almost “watery” pitcher, or a tea that doesn't rival the tea shop's?

The secret is not a mystery reserved for masters or baristas, but a matter of dosage, technique, and understanding. Today, let's take a look at why your iced tea is losing its flavor—and, most importantly, how to make it perfectly, hot or cold.

1. The Ice Cube Trap: Why Your Tea Goes Stale

When you make hot tea and pour it over ice cubes, the ice cubes melt and dilute everything. The result is a characterless, "rainwater" iced tea.

How to avoid overdilution?

  • Brew more concentrated : Increase the usual dose by about 50% to compensate for melting ice cubes.

  • Make tea ice cubes : Brew some tea, let it cool, then freeze it. These ice cubes will chill your drink without making it watery.

Master Tip : “Water can wait, but the flavor should never leak. Dilute ahead of time to keep the flavor true.”

2. The right amount of leaves for cold infusion vs. hot infusion

Many students ask, “How many sheets should I use?” The answer depends on the method.

Hot infusion

  • Usual dose: approximately 5 g per 500 ml of water.

  • For iced tea: Prepare a stronger infusion (e.g. 7-8g) if you plan to pour it over ice cubes.

Cold infusion

  • Cold water extracts more slowly. More leaves are needed for a balanced result: approximately 8 g per 1 L.

  • Let it infuse for 8 to 12 hours in the refrigerator.

Lesson from the Master : “In heat, strength springs forth; in cold, it builds. Adapt your leaves to the rhythm of the water.”

3. Why tea from the living room is always better

Wondering why iced tea from a tea shop is so superior? There are three reasons for this difference.

1. The quality of the leaves

Tea houses use leaves suitable for iced infusion. Sencha green tea, white tea, or light oolong tea reveal unique flavors when brewed cold, while fuller-bodied black teas, such as Rukeri from Rwanda, shine when brewed hot.

2. “Pro” techniques

Glass carafe, tea ice cubes, homemade syrups: so many details that make the difference.

3. Attention to detail

Filtered water, temperature, brewing time – these are all elements that salons never leave to chance.

Master's Solution : "Choose quality leaves, give them pure water and time. You'll have nothing to envy from the finest salons."

4. Two tips that change everything

Filter your water

Water that's too hard or chlorinated dulls clarity and flavor. Filtered water instantly enhances your iced tea.

Sweeten at the right time

Sugar, honey, or maple syrup dissolve best in a hot infusion. Add them before cooling your tea for a consistent taste.

Successful iced tea isn't a matter of luck, but of precision and curiosity. By adjusting the dose of leaves, avoiding dilution, and choosing the right teas, your pitcher can rival those of the finest houses.