Oolong is the most complex tea category. Partially oxidised, sitting between green tea and black tea, with a flavour spectrum that runs from light and floral to dark and roasted. For cocktails, oolong is the answer when you want tea character with body, not just colour.

The oxidation spectrum

Tea leaves contain natural enzymes. When the leaf is bruised and exposed to air, the enzymes oxidise the polyphenols, turning the leaf darker and changing the flavour. Green tea is unoxidised. Black tea is fully oxidised. Oolong is anywhere from 8% to 80% oxidised.

The percentage determines the style:

  • 10-25% (lightly oxidised): Tieguanyin (Iron Buddha), Anxi oolongs. Green-leaning, floral, jasmine-like.
  • 30-50% (medium): Taiwanese High Mountain (Alishan, Lishan). Honey, orchid, butter.
  • 60-70% (darker): Dong Ding, traditional Tieguanyin. Toasted, nutty, plum-like.
  • 70-80% (heavily oxidised, often roasted): Da Hong Pao (Big Red Robe), Wuyi Rock oolongs. Roasted, mineral, almost coffee-adjacent.

The four styles to know

Tieguanyin (lightly oxidised). Floral, green-tinged, jasmine and orchid. Pairs with gin, vodka, white rum. RM 80-200 per 100g at Purple Cane, Tea Republic.

Taiwanese High Mountain (medium oxidised). Buttery, slightly sweet, honey notes. Pairs with aged rum, light whisky. RM 150-400 per 100g.

Dong Ding (medium-dark). Toasted nuts, dried fruit. Pairs with bourbon, cognac, aged rum. RM 100-250 per 100g.

Da Hong Pao (heavily oxidised, roasted). Roasted, mineral, coffee-adjacent. Pairs with rye, Scotch (especially peated), aged tequila. RM 200-800 per 100g.

The extraction method

Oolong needs hotter water than green tea but cooler than black tea. The leaves are also rolled or twisted, so they need time to unfurl.

For syrup or hot drinks: 8g per 250ml water at 90°C, steep 3-4 minutes. Strain.

For cold infusion (the cocktail default): 8g per 500ml cold water, refrigerate 6 hours, strain. The cold extraction pulls less tannin and preserves the floral or fruit notes.

For fat-washing: brew strong as above (12g per 200ml), reduce to syrup with sugar 1:1, use as a sweetener.

Three working recipes

1. Tieguanyin Gimlet. Gin 50ml, cold-brewed Tieguanyin 20ml, fresh lime 20ml, simple syrup 10ml, shaken, served up, lime peel. Floral-citric, gentle.

2. Dong Ding Old Fashioned. Bourbon 50ml, Dong Ding syrup 10ml, 2 dashes orange bitters, large ice cube, orange peel. The Dong Ding's nutty character sits beautifully in the bourbon's caramel.

3. Da Hong Pao Highball. Aged rum or Scotch 45ml, Da Hong Pao cold brew 60ml, top with soda, mineral, almost no garnish. The most contemplative tea highball you will drink.

Why oolong over other teas in cocktails

Black tea (Earl Grey, Assam) brings tannin but can flatten subtle spirits. Green tea brings freshness but can be overwhelmed by alcohol. Oolong sits in the middle: enough body to hold up to spirits, enough finesse to bring distinctive character.

For Malaysian drinkers, oolong is also the most-accessible "fancy" tea. Most Malaysian Chinese households have at least one decent oolong in the cabinet, and tea shops across the Klang Valley stock the full range.

Related reading

Frequently asked questions

What is oolong tea?

Partially oxidised tea between green and black on the spectrum, from 8 to 80 percent. Lightly oxidised oolongs like Tieguanyin are floral. Medium-oxidised Taiwanese High Mountain has honey and orchid. Darker Dong Ding tastes of toasted nuts. Heavily oxidised Da Hong Pao is roasted, mineral, almost coffee-adjacent.

How do I extract oolong for cocktails?

For cold infusion (the default): 8g leaves per 500ml cold water, refrigerate 6 hours, strain. The cold extraction pulls less tannin and preserves floral or fruit notes. For syrup, brew 12g per 200ml at 90°C for 3-4 minutes, reduce with 1:1 sugar.

Which spirits pair best with oolong?

Match oxidation to spirit weight. Tieguanyin pairs with gin, vodka, white rum. Taiwanese High Mountain pairs with aged rum and light whisky. Dong Ding pairs with bourbon, cognac, aged rum. Da Hong Pao pairs with rye, peated Scotch, aged tequila.

Can I substitute oolong for black or green tea?

Often yes, and the result is more interesting. Black tea brings tannin but flattens subtle spirits. Green tea brings freshness but gets overwhelmed by alcohol. Oolong sits in the middle: enough body to hold up to spirits, enough finesse to bring distinctive character.

Where can I drink an oolong cocktail in PJ?

Both bars source leaves to match. Dissolved Solids at 43-1 Jalan SS20/11 Damansara Kim pours the Dong Ding Old Fashioned; WhatsApp +60 11-4008 7607. Soluble Solids at 50-1 Jalan SS2/24 builds the Da Hong Pao Highball and Tieguanyin Gimlet; WhatsApp +60 11-1682 8651.