The Onam Sadya is Kerala's grand Thiruvonam feast — a strictly vegetarian meal of 11 to 30+ dishes served on a fresh banana leaf, eaten with the right hand, in a serving order that has changed very little in centuries. This guide walks through the standard 26-dish menu, the exact banana-leaf layout, the serving order from parippu to buttermilk, and quick recipes for the payasam.

When to serve the Onasadya in 2026

Onasadya is served for lunch on Thiruvonam — Friday, 28 August 2026. Many temples serve a smaller Sadya (Cheriya Onam) on Moolam (25 August) and continue through Avittam (29 August).

The Banana Leaf — Layout & Direction

The Sadya banana leaf is placed with the tapered end pointing left (guest's perspective) — a deeply-held Kerala convention. Never eat on a leaf with the tip pointing right; it is considered inauspicious. The leaf is washed with a splash of water before serving.

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Serving happens in fixed zones on the leaf:

  • Top-left corner: pickles — mango, lime, gooseberry, inji (ginger).
  • Top-centre: upperi (banana chips) and sharkara varatti (jaggery-glazed).
  • Top-right: pappadam and small banana.
  • Middle row (left to right): thoran, olan, kalan, erissery, avial, pachadi, kichadi.
  • Bottom half: rice — served in the centre; parippu, sambar, rasam are poured over it in that order.
  • Below rice: payasam — served in a small bowl or directly on the leaf.

The 26 Dishes of a Traditional Onasadya

Rice & main lentils

  • Matta rice (Kerala parboiled red rice) or ponni rice
  • Parippu (mung dal) with ghee and pappadam
  • Sambar with drumstick, ash gourd, brinjal
  • Rasam with tamarind, pepper, curry leaves

Curries — the heart of the Sadya

  • Avial — 8+ vegetables in coconut-cumin paste with curd
  • Thoran — cabbage / carrot / long beans stir-fried with grated coconut
  • Olan — ash gourd + red-eyed peas in thin coconut milk
  • Kalan — yam or plantain in thick sour curd + coconut
  • Erissery — pumpkin + red gram, topped with roasted coconut

Side accompaniments

  • Pachadi — pineapple or bitter-gourd, sweet-sour with curd + mustard
  • Kichadi — cucumber or beetroot, savoury curd side
  • Inji curry — sweet, sour and spicy ginger pickle (uniquely Sadya)
  • Mango pickle, lime pickle, gooseberry pickle

Crunchies

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  • Pappadam — thin Kerala papadam roasted in oil
  • Upperi — banana chips fried in coconut oil
  • Sharkara varatti — jaggery-coated banana chips

Payasam — the closing sweet

  • Ada Pradhaman — rice-flake payasam in jaggery + coconut milk
  • Palada Payasam — rice-flake in milk
  • Parippu Payasam — mung dal in jaggery
  • Semiya (vermicelli) Payasam — often included as a modern addition

Finale

  • Buttermilk (moru) — served last for digestion
  • Small banana (rasakadali or palayankodan) — folded into the closed leaf

Serving Order — Strict Sequence

  1. Wash the leaf with water. Place tip pointing left.
  2. Serve pickles + upperi + sharkara varatti + pappadam first (top row).
  3. Serve all the curries next — thoran, olan, kalan, erissery, avial, pachadi, kichadi.
  4. Serve rice in the centre-bottom.
  5. Pour parippu (dal) with ghee over rice.
  6. Pour sambar over rice — first big serving.
  7. Guests eat parippu-rice course.
  8. Pour more rice and rasam — second course.
  9. Serve payasam in a small bowl or on the leaf.
  10. Serve buttermilk (moru) with rice as the final course.
  11. Guest folds the leaf towards themselves — closing thanks.

Quick Recipe — Ada Pradhaman (the crown of Onam Sadya)

The most iconic Onam payasam — rice-flake ada in jaggery syrup, thickened with three grades of coconut milk.

Ingredients (serves 6): 200g rice ada (or thin rice noodles), 400g jaggery, 2 cups thick coconut milk (first extract), 3 cups medium coconut milk (second), 2 cups thin coconut milk (third), 2 tbsp ghee, 10 cashew halves, 15 raisins, ¼ tsp cardamom powder, pinch of dry ginger powder.

Method:

  1. Boil the rice ada in plenty of water for 8-10 min until soft. Drain and rinse under cold water.
  2. In a heavy pan, melt jaggery in ½ cup water. Strain to remove impurities.
  3. Add the drained ada to the jaggery syrup. Simmer 5 min until ada absorbs the syrup and turns glossy.
  4. Add the thin coconut milk. Simmer on medium 10 min, stirring occasionally, until reduced by a third.
  5. Add the medium coconut milk. Simmer another 10 min.
  6. Reduce heat to low. Add thick coconut milk + cardamom + dry ginger. Stir 2 min. Do NOT boil after adding thick coconut milk — it will split.
  7. In a small pan, heat ghee. Fry cashews to golden, then raisins until they puff. Add to the payasam.
  8. Serve warm or at room temperature.

Quick Recipe — Avial (the mixed-vegetable heart of Sadya)

Ingredients (serves 4): 300g mixed vegetables (drumstick, plantain, yam, ash gourd, carrot, long beans, snake gourd, brinjal) cut in fingers, ½ cup thick curd (whisked), 1 cup grated coconut, 2 green chillies, 1 tsp cumin, ½ tsp turmeric, salt, 2 tbsp coconut oil, curry leaves.

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Method:

  1. Boil vegetables in ½ cup water with turmeric + salt until just tender (do not overcook).
  2. Grind coconut + green chillies + cumin coarsely (add 2 tsp water only).
  3. Add ground paste to the cooked vegetables. Stir gently — do not mash.
  4. Cook 3-4 min on medium so the paste coats the vegetables.
  5. Remove from heat. Add whisked curd + curry leaves + raw coconut oil (drizzle, don't stir vigorously).
  6. Rest 5 min before serving — the raw coconut oil aroma is the signature of good avial.

Sadya at Home for Beginners (10-dish version)

If you are hosting your first Onasadya, start with 10 dishes and expand over years. Recommended starter menu: rice + parippu + sambar + rasam + avial + thoran + olan + pachadi + upperi + Ada Pradhaman. Preparation time: 3 hours if you shop the previous evening.

For NRI Families — Sadya Adaptations Abroad

Living outside Kerala? Substitutes that work: banana leaf → parchment paper (fold same shape) or large plate; matta rice → red parboiled rice from Indian grocery; drumstick → skip or use frozen; snake gourd → substitute with zucchini in avial. See Onam 2026 NRI Family Guide for city-by-city Malayali community Sadya events.

Full Onam 2026 background: Onam 2026 — Thiruvonam Date, History & Complete Guide.