How to Brew Tea at Home for Beginners: One Starting Recipe, Then Adjust by the Cup

October 5, 2026

To learn how to brew tea, start with one 3.5 g (0.13 oz) pyramid sachet or 1 teaspoon loose leaf per 8 oz cup (about 240 ml), then steep green at 80°C for 2–3 minutes, oolong at 90°C for 3–5 minutes, and black at 95°C for 3–5 minutes. If you own a small pot or a gaiwan, the gongfu way uses more leaf and far shorter steeps: 10–30 seconds for green, about 15 for oolong, about 10 for black. The kettle clicks off. Steam beads on the counter, and your first cup has numbers you can use tonight.

其水，用山水上，江水中，井水下。
Qí shuǐ, yòng shān shuǐ shàng, jiāng shuǐ zhōng, jǐng shuǐ xià.
“For water: mountain water is best, river water is middling, well water is lowest.” — Lu Yu, The Classic of Tea (茶經), chapter 5, “Brewing” (五之煮).

How to brew tea: one recipe to start with

For brewing tea for beginners, use one recipe first. Put one 3.5 g (0.13 oz) pyramid sachet, or 1 teaspoon of loose leaf tea, into an 8 oz cup, about 240 ml. Add water at the right temperature for the tea type. Steep. Taste. Each sachet brews up to three cups.

There is no single drinking “standard” that will fit every cup. ISO 3103 gives 2 g of tea per 100 ml of freshly boiling water, with 6 minutes for black tea and 5 minutes for leafy green tea. It was issued in 1980 and revised in 2019, but it is for meaningful sensory comparison, not for defining the proper way to brew tea for general consumption (ISO 3103).

At home, your job is simpler. Brew one cup. Notice the bitterness at the tip of the tongue, the drying pull inside the cheeks, the weight of the liquor, and the finish after you swallow. Then turn only one dial.

Three dials: leaf, water temperature, steeping time

There are two ways to time a steep. The casual way needs only a mug: one sachet or one teaspoon in about 240 ml, steeped for minutes. The gongfu way needs a small pot or a gaiwan: more leaf, less water, steeped for seconds and poured out completely each time. Use the casual column if you have no brewing tools.

The three dials are leaf amount, tea water temperature, and tea steeping time. Leaf changes strength. Temperature changes how fast the cup turns bitter or flat. Time changes body, aroma, and grip. Keep two dials fixed while you test the third.

Tea type	Water temperature (mug)	Casual mug steep (no tools)	Gongfu steep (gaiwan or small pot)	Re-steeping the mug
Green tea	Around 80°C / 175°F	2 to 3 minutes, no longer	4–6 g, 80°C, pour out in 10–30 seconds	Up to two more times, adding 30 seconds each time
Oolong	Around 90°C / 195°F	3 to 5 minutes	5–7 g, 90–98°C, quick rinse, then about 15 seconds; add 5–10 seconds each round	Up to two more times; the second and third steeps are often the most floral
Black tea	Around 95°C / 200°F	3 to 5 minutes, depending on how bold you like it	About 90°C, quick rinse, then about 10 seconds; lengthen slightly each round	Up to two more times, adding a minute each time

Green tea wants cooler water because hotter water can make the cup sharper. In a study on green tea brewed at 70, 80, 90, and 100°C, the umami-mellow score fell from 8.10 at 70°C to 5.60 at 100°C, while bitterness rose from 3.13 to 5.17 and astringency rose from 2.07 to 4.13. The conclusion was that 70–80°C gives a sweeter, less bitter and less astringent green tea. For jasmine green tea, hotter water also dulls the jasmine (Deng et al., 2025, Food Chemistry: X).

The rule holds for every tea: raising the temperature or lengthening the steep pulls more bitterness, astringency and tannins (tea polyphenols) into the cup. In brewing trials, the total polyphenols in green and black tea infusions kept rising as steeping time increased (Winiarska-Mieczan & Baranowska-Wójcik, 2024, Applied Sciences), and a 10-minute steep extracted more than a 2-minute one (Skrodzka et al., 2025). Vietnamese green tea cultivars are rich in tannins: a Vietnamese tea-science textbook gives about 32% of dry matter for the Trung Du and PH1 cultivars (tea textbook, chapter 2). That is why we keep Vietnamese green tea at 80°C, in the mug and in the gaiwan.

Listen to the cup

Your tongue gives clear notes. Harsh bitterness lands fast. Astringency dries the cheeks. Thin tea feels like scented water. A strong but flat cup has weight, but the aroma feels shut down.

What you taste	Likely cause	Dial to turn next cup
Harsh bitter	Water too hot, or steep too long	Lower the water temperature first, especially for green tea
Drying astringent	Steeped too long for the amount of leaf	Shorten the steep; for green tea, also keep the water around 80°C
Thin	Not enough leaf character in the cup	Use the same temperature and time, then raise the leaf amount slightly
Strong but flat aroma	The cup has body, but the fragrance is muted	Lower the water temperature; for oolong, taste the next steep before changing more

The water in the kettle: tap or filtered

Use fresh, filtered water as your starting point. Tap water can work if it tastes clean in the cup, but hard water can change green tea’s colour and texture. In one study, harder water made green tea browner and thinner; total catechins, the compounds behind astringency and colour change, fell 2.4-fold from very soft to very hard water. The mechanism was bicarbonate making water alkaline, with pH 7.1–8.3, so catechins auto-oxidised into brown pigments (Cabrera et al., 2021, Molecules).

No thermometer? Use this timing

To brew tea without a thermometer, bring the water just to the boil. Let it rest 30 seconds for about 90–95°C, which suits oolong and black tea. Let it rest 60 seconds for about 80°C, which suits green tea. This is not a lab reading. It is a clean home method that keeps you close to the cup you meant to make.

Once you have the basics: try gongfu brewing

Gongfu brewing is a suggestion, not a requirement. It uses a small pot or a gaiwan (a small lidded bowl), a lot of leaf, very little water, small cups, and quick repeated pours, so the aroma changes from one pour to the next. A published gongfu tea standard gives the proportions: a 90–150 ml pot or gaiwan, 25–35 ml cups, and 1 g of leaf per 12–18 ml of water (gongfu tea standard).

The pouring rule is “high pour, low serve.” Pour the water in from a height so the heat reaches the bottom of the pot, then pour the tea out close to the cups to keep the aroma and avoid foam. Move in a continuous circle across the cups and share the last drops evenly. Low, fast, even, complete (pouring technique reference).

We use this method with Vietnamese tea and set the numbers to the leaf.

Green tea. Use 4–6 g and pour the tea out within 10–30 seconds, keeping leaf and liquor apart between rounds (fast-pour method). The published method uses boiling water. For Vietnamese green tea we lower it to 80°C, because hotter water and longer contact bring out more bitterness and astringency.

Oolong. Use 5–7 g in a gaiwan (gaiwan guide). Water at 90–98°C, a quick rinse that is poured away, then about 15 seconds for the first cup, adding 5–10 seconds each round (oolong brewing guide).

Black tea. Water at about 90°C, a quick rinse, then about 10 seconds for the next infusion, lengthening each later round a little (black tea brewing guide).

In every case, pour every drop out between infusions so the leaf does not keep steeping. If the cup is too strong, shorten the next pour by a few seconds; if it is thin, lengthen it.

A cup from Blossom Ritual

Blossom Ritual is a Vietnamese specialty tea brand founded in Hanoi in December 2025, sourcing from its family's tea estates in Moc Chau (Son La) and Tam Duong (Lai Chau) — a 600-hectare estate at 1,200–1,500 m altitude. Himalaya Floral Oolong Tea is an oolong scented with osmanthus; brew it around 90°C (195°F) for 3 to 5 minutes, and re-steep up to two more times.

Frequently asked questions

Why is my tea bitter?

Your water may be too hot, or your steep may be too long. Green tea shows this fast: hotter water can turn a sweet cup into one with bitterness at the tip of the tongue and a drying edge. Next cup, lower the water temperature first. If it is still harsh, shorten the steep.

How much tea per cup?

Use one 3.5 g (0.13 oz) pyramid sachet, or 1 teaspoon of loose leaf tea, per 8 oz cup, about 240 ml. Keep that amount fixed for the first cup. Change the leaf amount only after you have tasted the cup and checked temperature and time.

Can I use tap water for tea?

You can test it by taste, but fresh, filtered water is the better starting point. If tap water makes green tea look browner or taste thinner, change the water before changing anything else.

How is gongfu brewing different from brewing in a mug?

Gongfu brewing uses less water, more leaf, small cups, and several short pours: 10 to 30 seconds for green tea, about 15 for oolong, and about 10 for black. A mug recipe steeps for minutes and gives one larger, simpler cup. Gongfu brewing lets you notice how aroma changes from one infusion to the next, especially with oolong.