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Kerala / South India · Indian

Olan (Kerala Ash Gourd and Cowpea in Coconut Milk)

A serene, mildly sweet sadya dish: ash gourd and red cowpeas simmered in thin then thick coconut milk, seasoned with only green chili and curry leaves and finished with raw coconut oil. The quiet, cooling course of the feast.

By Table & Traditions Editors

Published June 22, 2026

A pale, soupy Kerala olan of ash gourd squares and red cowpeas in coconut milk with curry leaves, served in a bowl on a banana leaf.

Olan is the gentlest curry on the Kerala sadya — ash gourd (and sometimes pumpkin) with red cowpeas in coconut milk, barely spiced so its cooling sweetness balances the tangy and fiery dishes around it. It uses no mustard or onion: just coconut milk, green chili, and curry leaves.

Yield
Serves 4–6
Prep
15 min
Cook
25 min
Total
40 min
Difficulty
Easy

Olan is the calm at the centre of the Kerala sadya. Where the avial is rich and the sour curries sharp, olan is pale, soft, and barely spiced — ash gourd and red cowpeas in coconut milk, seasoned with nothing more than green chili, curry leaves, and a final drizzle of raw coconut oil. Its quietness is what makes it essential.

Restraint is the recipe

There is no mustard tempering here, no onion, no garlic. Olan is built to cool and balance the spicier, tangier dishes on the banana leaf, so it leans entirely on the sweetness of ash gourd and the silk of coconut milk.

Two grades of coconut milk

The technique to remember: cook the gourd in thin coconut milk, then finish with thick coconut milk off a hard boil so it stays silky and never splits. A drizzle of raw coconut oil and a few curry leaves at the very end carry the aroma.

Serve it beside avial and parippu as part of the feast — see the full spread in our Onam sadya guide.

Ingredients

Serves
4

For the curry

  • 3 cups ash gourd, peeled and cut into thin squares Kumbalanga. A little yellow pumpkin can be added for colour and a touch more sweetness.
  • 1/3 cup red cowpeas (vanpayar), soaked and cooked Soak overnight and cook until just tender before starting; canned cowpeas work in a pinch.
  • 2 green chilies, slit
  • 1 cup thin coconut milk (second extract)
  • 3/4 cup thick coconut milk (first extract) From fresh coconut or good tinned milk; added at the end and never boiled hard.
  • salt

To finish

  • 1 sprig curry leaves
  • 1 tbsp raw coconut oil Drizzled in raw off the heat — the Kerala signature.

Method

Tap a step’s number to check it off as you go.

  1. Cook the ash gourd with the slit green chilies, salt, and the thin coconut milk until just tender, 8–10 minutes.

    Why: Thin coconut milk gently cooks the gourd while seasoning it; ash gourd should be soft but still hold its shape.

  2. Add the cooked cowpeas and warm through for a couple of minutes.

    Why: The cowpeas are already cooked — they only need to heat and absorb a little of the liquid.

  3. Lower the heat and pour in the thick coconut milk; warm gently but do not let it boil.

    Why: Boiling thick coconut milk makes it split and turn oily — a low warm-through keeps olan silky.

  4. Turn off the heat, add fresh curry leaves and a drizzle of raw coconut oil, and cover for a minute.

    Why: Raw coconut oil and curry leaves off the heat give olan its delicate fragrance without any frying.

A quick, anonymous tap — no review needed.

Variations

  • With pumpkin

    Add yellow pumpkin alongside the ash gourd for colour and a slightly sweeter, rounder olan.

  • Everyday version

    Use only one grade of coconut milk (thin to cook, a splash of thick to finish) for a simpler weeknight dish.

Serving & Storage

A cooling counterpoint on the sadya, eaten with rice between spoonfuls of sambar and the sour curries. Lovely with red rice.

Pairs with: Steamed rice, Avial, Pappadam.

Storage: Best fresh; keeps 1 day refrigerated. Reheat very gently so the coconut milk doesn't split.

Nutrition

Per serving (about 3/4 cup)

Calories
150
Protein
4 g
Carbs
12 g
Fat
10 g
Fiber
4 g
Sugar
4 g
Sodium
290 mg

Notable micronutrients: Potassium, Vitamin C, Magnesium

Estimated using standard ingredient data. Values vary with brands and substitutions.

Frequently Asked Questions

Why no onion or mustard seeds in olan?

Olan is deliberately the most restrained dish on the sadya — no tempering, no onion, no mustard. Its job is to cool and balance the spicier curries, so it's seasoned only with green chili, curry leaves, and raw coconut oil.

Can I use tinned coconut milk?

Yes. Use a thinned-down portion to cook the gourd and the thick milk straight from the tin to finish. Just don't boil it once the thick milk is in.

What is vanpayar?

Red cowpeas — small reddish-brown beans common in Kerala cooking. Soak and cook them until tender before adding; if you can't find them, brown cowpeas or even black-eyed peas stand in.

What to drink with this

All drinks →

Hand-picked pours to match this dish.

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