How to cold brew Genmaicha tea

Cold Brew Tea: The Cold Steeping Method Explained

A smoother, fruitier tea with zero bitterness: cold steeping completely changes how tea tastes. Here is how to master it, tea by tea.

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By Arnaud Sion

Spice & Tea Hunter · Le Comptoir de Toamasina

Cold brew tea is my go-to method as soon as warm weather arrives: it requires planning, but the taste profile is completely superior to hot-brewed tea that has been chilled.

Key Takeaways

  • Cold brew tea steeps tea leaves directly in cold water in the refrigerator for several hours.
  • Without heat, bitter tannins extract much slower, yielding a smooth and naturally sweet flavor.
  • Steeping time and ratios vary depending on the tea type.
  • Enjoy within 24 hours to preserve optimal freshness.

Why Cold Steeping Changes Everything

The conventional way to make iced tea involves hot brewing and adding ice cubes. However, hot water extracts astringent tannins that dominate the palate once chilled. Cold brew tea solves this completely: cold water extracts flavors gently and selectively, preserving subtle floral and fruity notes without astringency.

Basic Cold Brew Ratio

  • 2 to 3 g loose leaf tea per 250 ml cold water (filtered water recommended)
  • Airtight pitcher or glass jar
  • Refrigerate immediately—never steep at room temperature

Step-by-Step Guide

  1. Add tea leaves into a clean glass pitcher or jar.
  2. Pour cold water directly over the leaves.
  3. Seal and place in the refrigerator.
  4. Steep according to the recommended timing for your tea.
  5. Strain the tea leaves out.
  6. Serve over ice, optionally garnished with fresh fruit or mint.
Cold Steep Timing Guidelines
Tea TypeFridge Steeping TimeFlavor Profile
White Tea6 to 8 hoursUltra-smooth, floral, delicate sweetness
Green Tea (Sencha, Genmaicha)4 to 6 hoursCrisp, vegetal, zero bitterness
Black Tea8 to 12 hoursFull-bodied, smooth malty notes
Rooibos & Herbal Teas8 to 12 hoursSweet, fruity, caffeine-free
Do not steep longer than 24 hours. Extended steeping can alter flavor and cause fermentation. Always prepare a quantity you intend to drink within 24 hours.
Personal Tip

I always set up my cold brew in the fridge the night before so it is ready to enjoy first thing in the morning. It is as simple as chilling a pitcher of water.

Explore Our Teas for Cold Brew

A curated selection of white, green, and black teas crafted for cold steeping.

FAQ — Cold Brew Tea

Can I cold brew tea at room temperature?

It is not recommended. Cold fridge temperatures prevent bacterial growth during long steeping hours.

Should I add sweetener to cold brew tea?

Not necessarily. Cold brewing yields a naturally sweet flavor profile, often making added sugar unnecessary.

Which tea is easiest for cold brewing?

White and green teas are the most forgiving because they develop minimal bitterness when steeped cold.

Can I steep the same leaves a second time?

Yes, though you may need a longer steeping time, and the second batch will be lighter in flavor.