Name: Ocopa arequipeña
Prep time: 30 min
Cook time: 35 min
Total time: 85 min
Cuisine: Peruvian cuisine
Ingredients: 800 g yellow potatoes, unpeeled and scrubbed, 4 medium to large (boil and slice); 35 g dried ají mirasol, seeded and de-stemmed (rehydrate); 80 g roasted unsalted peanuts, shelled (peanut allergen); 200 g fresh pasteurised cheese, crumbled (milk allergen); 70 g plain wheat crackers, broken up (gluten); 180 ml evaporated milk, unsweetened (milk); 25 g fresh huacatay leaves, washed; thick stems discarded (important aromatic); 100 g red onion, sliced (sauté); 12 g garlic, minced (sauté); 25 ml vegetable oil, measured (sauté); 2 eggs, raw, in shell; boil until fully firm, then cut in quarters (4 servings); 60 g pitted black botija olives, drained (four or more pieces); 80 g lettuce leaves, washed and thoroughly dried (serving bed); 6 g salt, 4 g potatoes and 2 g sauce (cheese and olives contain salt); 1800 ml water, 1500 ml potato-and-egg cooking, 300 ml chilli soaking (soaking water discarded)

Ocopa arequipeña — potatoes with huacatay sauce

Yield 4 starter plates

Prep 30 minutes

Cook 35 minutes

Passive 20 minutes

Total 85 minutes

Ingredients ↓

Overview

Ocopa arequipeña — potatoes with huacatay sauce

Ocopa arequipeña is an Arequipa potato dish recognised for its herb-scented, nutty sauce. Unlike a generic cheese sauce, ocopa includes huacatay and ají with peanuts and an edible thickener such as biscuit or cracker. The creamy topping is spooned over boiled potatoes rather than baked with them.

Huacatay has a distinctive deep herbal flavour, and toasted peanuts contribute body. Dried ají mirasol needs softening and brief cooking to tame its harsh raw character. Milk and fresh cheese make the sauce mellow, while crushed crackers keep it from running off the potatoes.

This plate is generally presented as a starter. Allow the sautéed chilli and onion to cool slightly before blending with dairy and herbs, then serve over cooled or warm potatoes with pieces of egg and olives. The sauce should pour slowly from a spoon, not stand like a stiff paste.

Practical

IdentityRehydrate dried ají mirasol before sautéing so the paste blends smoothly.
TextureBlend peanuts, huacatay and dairy into a sauce that pours slowly rather than clumping.
Final controlKeep the cooked egg, dairy sauce and lettuce chilled until plating.

Ingredients

800 g yellow potatoes, unpeeled and scrubbed, 4 medium to large (boil and slice)
35 g dried ají mirasol, seeded and de-stemmed (rehydrate)
80 g roasted unsalted peanuts, shelled (peanut allergen)
200 g fresh pasteurised cheese, crumbled (milk allergen)
70 g plain wheat crackers, broken up (gluten)
180 ml evaporated milk, unsweetened (milk)
25 g fresh huacatay leaves, washed; thick stems discarded (important aromatic)
100 g red onion, sliced (sauté)
12 g garlic, minced (sauté)
25 ml vegetable oil, measured (sauté)
2 eggs, raw, in shell; boil until fully firm, then cut in quarters (4 servings)
60 g pitted black botija olives, drained (four or more pieces)
80 g lettuce leaves, washed and thoroughly dried (serving bed)
6 g salt, 4 g potatoes and 2 g sauce (cheese and olives contain salt)
1800 ml water, 1500 ml potato-and-egg cooking, 300 ml chilli soaking (soaking water discarded)

Method

Rehydrate the dried chilli.Pour 300 ml very hot water over the seeded ají mirasol in a heatproof bowl. Leave covered for 15 minutes, then drain and discard the soaking liquid. The chilli flesh bends without cracking and is ready to cut into pieces.
Boil potatoes and eggs.Put potatoes and 2 eggs in a pan with 1500 ml water and 4 g salt. Bring to a simmer; after 11 minutes of gentle boiling, transfer eggs to cold running water, then continue potatoes for about 18 more minutes until tender. Egg yolks are fully set and a skewer passes through each potato without resistance. Safety: use fully cooked eggs and cool them promptly; peel carefully.
Soften onion, garlic and ají.Heat 25 ml oil in a frying pan and gently cook onion, garlic and softened ají mirasol for 6 minutes, stirring often. Remove from the heat and leave to cool for 5 minutes before blending. The onion is translucent and the chilli is fragrant without dark, bitter patches.
Blend the creamy ocopa.Blend the cooled sauté with roasted peanuts, fresh cheese, wheat crackers, evaporated milk, huacatay and the remaining 2 g salt. Process for about 3 minutes until smooth and thick enough to coat a potato slice. The sauce is homogeneous, slowly pourable and carries a clear huacatay aroma. Safety: keep milk and cheese chilled until ready to blend.
Prepare the serving plates.Peel and slice the potatoes into thick rounds. Set washed lettuce on four plates and arrange the potatoes over it. Cut the fully cooked eggs into quarters. Potato slices hold their shape and lettuce is dry rather than waterlogged.
Coat with sauce and finish.Spoon a quarter of the ocopa over each plate and add equal shares of egg quarters and olives. Serve without prolonged room-temperature holding; chill any remaining sauce promptly. The pale green sauce drapes over potatoes and remains on the slices without separating. Safety: keep the dairy-and-egg components refrigerated before service.

Practical

Practical guidance

The amount of huacatay determines much of the sauce character. There is no faithful one-for-one herb replacement; ordinary mint or coriander will produce a different sauce and should not be presented as ocopa arequipeña without qualification. Peanuts must be roasted and finely blended so the sauce is creamy, not gritty. The wheat cracker is part of the thickening system; check packaging for milk, sesame and soy if relevant. Blend with pasteurised cheese and unsweetened evaporated milk. Refrigerate sauce separately at 4 °C or colder and use within 3–4 days; do not freeze expecting the same smooth texture. Substitutions and their effects An unsalted fresh cheese of similar texture can replace the named cheese; flavour and saltiness vary, and dairy remains present.

Control points

Common problemA runny sauce often comes from too much liquid or wet lettuce; measure milk carefully and dry greens before plating.
Common problemA bitter sauce often comes from scorched ají or garlic; cook gently and discard any dark, burned sauté.

Nutrition per serving

Serving size1 starter plate
Calories610 kcal
Carbohydrates65 g
Protein22 g
Fat29 g
Fibre6 g
Sodium1350 mg

Allergens and food safety

Contains peanuts, milk, egg and wheat/gluten. Check the cracker and cheese labels for additional allergens. Use pasteurised dairy and fully cooked eggs; keep creamy sauce refrigerated and avoid extended warm-room holding.

Closing

What to expect: Boiled potatoes are coated in a creamy huacatay, peanut, ají mirasol and fresh-cheese sauce with egg and olives.
Most important control: Respect the defining cooking sequence and follow the observable readiness cues and safety temperatures.

Ocopa arequipeña — potatoes with huacatay sauce

Practical

Ingredients

Ingredients

Method

Practical

Practical guidance

Control points

Nutrition per serving

Allergens and food safety

Closing

Peruvian National Dishes

Solterito de queso

Shámbar

Seco de chabelo