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Recipe · Starter or salad · Lima and criolla cooking

Causa with chicken and avocado

A cold mash of yellow potatoes with lime and ají amarillo, layered with chicken in mayonnaise and avocado. Serves four.

  • Serves 4 (an 18 cm mould or 4 rings of 8 cm)
  • About 2 hr 30 min, including 1 hr 30 min of cooling (estimate)
  • Easy
Text revised on 3 October 2026
Round causa: two layers of yellow mash around chicken and avocado, hard-boiled egg and olive on top
Illustration: causa limeña with chicken and avocado

A cold mash of yellow potatoes, spiced up with lime and yellow chilli, layered around a filling: causa is the most widespread starter in Lima. At a restaurant, the useful question is simply “which filling?”.

An Andean potato, a lime from Asia

Wikipedia attributes a pre-Columbian origin to causa, based on papa amarilla and ají amarillo; the lime, which came from Asia, was added in colonial times, followed by hard-boiled egg, olives, and avocado for the filling. PROMPERÚ’s recipe gives the techniques: potatoes cooked, pressed, cooled, then seasoned with lime, oil and chilli, and assembled in two layers around a filling of chicken in mayonnaise.

Texture, the whole secret

The mash must be shapeable: neither so dry that it cracks, nor gluey. Three conditions: a floury potato, a ricer rather than a blender, and seasoning a cooled mash, adding the lime little by little. In Peru, papa amarilla is used, yellow and very floury; in Switzerland, a Bintje or an Agria comes close.

Our version

The quantities of lime and oil depend on the potato: follow the texture pointers rather than the measurements to the letter.

Ingredients

Serves 4 (an 18 cm mould or 4 rings of 8 cm)

Estimated preparation time

Advance preparation
20 minutes to poach the chicken (not needed with chicken that is already cooked)
Active time
35 minutes
Cooking
20 to 25 minutes for the potatoes
Resting
30 minutes of cooling the mash, then 1 hour in the fridge after assembling
Total
About 2 hr 30 min, including 1 hr 30 min of cooling

Techniques: Boiling, No cooking.

The mash

The filling

To decorate

Tick off the ingredients as you go: the boxes are remembered on this device.

Useful equipment

  • A potato ricer or food mill
  • An 18 cm mould or pastry rings
  • Cling film
  • A cooking thermometer

Method

  1. Poach the chicken for 15 to 20 minutes in simmering salted water, until 74 °C (165 °F) at the thickest point. Leave it to cool, shred it finely and refrigerate it.
  2. Cook the potatoes whole, in their skins, in salted water for 20 to 25 minutes: the tip of a knife should go in without resistance, without the skins splitting.
  3. Peel them while hot and put them through the ricer or food mill. Never in a blender: the mash would become gluey. Spread it out in a large dish and leave it to cool for 30 minutes.
  4. Onto the lukewarm to cold mash, add the salt, the oil, the ají paste and then the lime juice, spoonful by spoonful, kneading with your hands or a spatula. Taste: the mash should be distinctly tangy and salty, because the cold dulls the flavours.
  5. If the mash cracks and crumbles, add a spoonful of oil or a little of the chicken’s cooking water; if it sticks to your fingers, it is too moist: add a little plain mash if you have kept some.
  6. Mix the chicken with the mayonnaise and a little salt. Cut the avocado into slices and sprinkle them with lime.
  7. Line the mould with cling film. Spread half the mash in a layer about 1.5 cm thick, press down, then the chicken, then the avocado. Cover with the rest of the mash and smooth it, pressing down.
  8. Cover and refrigerate for 1 hour. Turn out, decorate with egg, olives and parsley, and serve cold, cut into portions.

Signs of success

  • The seasoned mash can be rolled into a ball between your hands without sticking or cracking, like soft modelling clay.
  • It is bright yellow and smooth, and you taste the lime before the chilli.
  • The layers stay clean when cut: the filling is not too moist.

Precautions

  • Poultry: 74 °C (165 °F) at the thickest point.
  • Shop-bought mayonnaise avoids a sauce made with raw eggs.
  • Assemble the dish with cold ingredients and put it straight back in the fridge.

Allergens identified

Present: egg (mayonnaise). Possible: mustard (depending on the mayonnaise), fish (tuna variant), crustaceans (variant).

Always check the labels of the products you buy (sauces, stocks, chilli pastes).

Variations and tips

  • With tuna: drained tuna in mayonnaise instead of the chicken (added allergen: fish).
  • With crab or prawns, as in many cebicherías.
  • Vegetarian: cooked vegetables (corn, carrot, peas) and avocado; check the mayonnaise.
  • As a roll, as PROMPERÚ suggests: the mash spread on cling film, filled and then rolled up.

Reasonable substitutions

  • Waxy potato (Charlotte type): the mash does not hold well and becomes gluey; choose a floury variety.
  • Lemon: milder and less fragrant than lime; increase the quantity slightly.

Storage

  • Assembled cold dish: in the fridge, below 5 °C; do not leave it at room temperature for longer than it takes to serve. Leftovers: in the fridge within one to two hours of cooking, to be eaten within 48 hours or frozen.
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Going further

Sources and dates

2 sources

Prices, opening hours and rules change: every piece of information cited links to its source, with the date it was consulted.

Figures and rules cited

Sources consulted

How we choose and date our information: our method. Has something changed? Let us know.

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