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Peruvian

Potatoes in Huancaína Sauce

Classic Peruvian potatoes served with creamy ají amarillo, queso fresco, and cracker sauce.

Published and reviewed by Kitchgrow on 6 September 2026Updated

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Potatoes in Huancaína Sauce

35 mintotal

30 min hands-on5 min hands-off

Prep 15 min · Cook 15 min

Serves
2
Difficulty
Easy
Spice
Medium
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Ingredients

Quantities are for 2 servings.

You'll need: Stovetop.

Includes brief cooling time before serving.

Method

  1. Boil the potato slices in the water with 0.5 tsp salt for 12–15 minutes until tender but not breaking. Drain and cool for 5 minutes.

    12–15 min5 min

  2. Blend the queso fresco, evaporated milk, ají amarillo paste, saltine crackers, neutral oil, lemon juice, remaining salt, and ground black pepper until smooth and pourable.

  3. Place the lettuce leaves on a plate and arrange the cooled potato slices over them.

  4. Spoon the Huancaína sauce generously over the potatoes.

  5. Top with the hard-boiled egg and black olives, then serve at room temperature or lightly chilled.

How to tell it's done

The potatoes should hold their shape, and the sauce should coat the slices in a thick, smooth layer.

Getting it right

Tip

Add the milk gradually while blending; the sauce should be creamy and pourable, not runny.

What to serve it with

Serve as a starter, side dish, or chilled snack before a Peruvian main course.

Common mistakes

The sauce is too thick to pour.
Add evaporated milk a spoonful at a time until it falls easily from the blender. Crackers keep absorbing liquid as the sauce sits, so it will thicken further before it reaches the plate.
The sauce tastes only of chilli.
Queso fresco and evaporated milk are meant to soften the ají amarillo, not carry it. If the heat dominates, add more cheese rather than more milk, which only dilutes.

Substitutions

  • Queso Fresco — Use a mild fresh cheese if queso fresco is unavailable, but avoid strongly aged cheese.

Storing and reheating

The sauce keeps three days in the fridge; loosen it with milk before serving. Boiled potatoes keep two days. Assemble at the last moment, since potatoes left under the sauce go grey and soft.