How to Make Air Kosong (Traditional & Healthy Version)

Air Kosong, literally translating to 'plain water' in Malay, is the most basic yet essential beverage found on every Malaysian table. Despite its simplicity, Air Kosong holds a unique place in Malaysian dining culture, being the go-to refreshment served at kopitiams, mamak stalls, and family gatherings across the country. It is a symbol of Malaysian hospitality—always offered to guests, regardless of the occasion or region. With Malaysia’s tropical climate, staying hydrated is crucial, and Air Kosong provides a calorie-free, refreshing way to quench thirst. While Air Kosong is simply water, it often reflects multicultural influences through subtle enhancements—sometimes infused with local ingredients like pandan leaves or a twist of limau nipis (local lime) for added aroma and taste. Its clean, pure flavor complements the vibrant and spicy profiles of Malaysian dishes, acting as a perfect palate cleanser. Embraced by all communities—Malay, Chinese, Indian, and beyond—Air Kosong is an everyday staple that underscores the Malaysian value of simplicity and inclusivity.

5 min total2 servingseasy

Ingredients

  • Filtered water
    500ml Filtered water (air kosong)
  • Pandan leaf
    1 leaf Pandan leaf (tied into a knot (daun pandan))
  • Lime
    2 wedges Lime (limau nipis)
  • Ice cubes
    1 cup Ice cubes (ais)
  • Lemongrass stalk
    1 stalk Lemongrass stalk (serai, lightly bruised)
  • Mint leaves
    a few sprigs Mint leaves (daun pudina)
  • Cucumber slices
    4 slices Cucumber slices (timun)
  • Sea salt
    a pinch Sea salt (garam)

Step-by-step instructions

Step 1: Prepare all local ingredients if using: tie pandan leaf into a knot
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Step 1 · Prepare all local ingredients if using: tie pandan leaf into a knot

Prepare all local ingredients if using: tie pandan leaf into a knot, bruise lemongrass stalk, slice cucumber, and cut lime into wedges.

Step 2: Fill a jug with 500ml of filtered water
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Step 2 · Fill a jug with 500ml of filtered water

Fill a jug with 500ml of filtered water. If you prefer cold Air Kosong, add ice cubes.

Step 3: Add the pandan leaf
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10 min

Step 3 · Add the pandan leaf

Add the pandan leaf, lemongrass stalk, mint leaves, and cucumber slices into the jug. Allow to infuse for 5-10 minutes.

Step 4: Squeeze a wedge of lime into each glass before serving for a zesty ...
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Step 4 · Squeeze a wedge of lime into each glass before serving for a zesty ...

Squeeze a wedge of lime into each glass before serving for a zesty Malaysian twist.

Step 5: Optional: Add a pinch of sea salt to enhance the body’s electrolyte...
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Step 5 · Optional: Add a pinch of sea salt to enhance the body’s electrolyte...

Optional: Add a pinch of sea salt to enhance the body’s electrolyte balance, especially on hot days.

Step 6: Stir gently and serve immediately
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Step 6 · Stir gently and serve immediately

Stir gently and serve immediately, ensuring each glass has some of the infused ingredients.

Step 7: Remove pandan and lemongrass if storing to avoid bitterness
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Step 7 · Remove pandan and lemongrass if storing to avoid bitterness

Remove pandan and lemongrass if storing to avoid bitterness.

Why this recipe is healthy

Air Kosong is a top healthy choice because it contains no calories, sugar, or artificial additives. Staying hydrated boosts energy, supports metabolism, and helps manage appetite. The addition of local herbs and citrus provides subtle flavor without compromising on nutrition, making it ideal for those monitoring calorie intake or aiming for weight loss. It’s suitable for all diet types and a perfect companion to any Malaysian meal.

A note on tradition

Air Kosong is deeply rooted in Malaysian culture and daily life. It is the default beverage at restaurants, warungs, and family homes, regardless of the meal being served. In all corners of Malaysia—from Penang to Johor—offering Air Kosong is a gesture of warmth and welcome. It reflects the climate, traditions, and values of simplicity and community, making it a staple for all Malaysians.

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