Causa is one of Peru's most elegant starters — a cold terrine of mashed yellow potato flavoured with ají amarillo and lime, layered with a creamy filling of tuna, avocado, or chicken. The bright yellow colour of the potato contrasts with white cream and green avocado for a visually stunning dish. It's a staple of Limeño (Lima) home cooking and restaurant menus alike.
Serves 4
While potatoes are still hot, mash them with ají amarillo paste, lime juice, and oil until smooth and pliable. Season generously. Divide into two equal portions.
The potato must be smooth with no lumps for a clean terrine.
Mix tuna with mayonnaise, a little lime juice, salt and pepper.
Line a loaf tin or use a ring mould. Press first potato layer firmly (2cm thick). Add tuna filling. Add avocado slices. Press second potato layer on top. Refrigerate 1 hour.
Invert onto a serving plate. Garnish with mayonnaise, sliced olives, and a sprinkle of ají amarillo.
Hot potatoes are essential for a smooth, workable dough.
Work quickly as the ají turns the potato orange if left too long before mixing.
Taste and adjust salt at the very end — flavors concentrate as liquids reduce, and a final pinch of flaky salt sharpens the whole dish.
Mise en place pays for itself: chop, measure and pre-mix everything before the heat goes on, especially for any step that moves fast.
Chicken causa: replace tuna with shredded poached chicken.
Add prawn on top for a restaurant-style finish.
Vegetarian: swap the protein for roasted king oyster mushrooms, smoked tofu or cooked chickpeas — adjust seasoning slightly upward to compensate.
Spicier: add a finely chopped fresh chile or a teaspoon of crushed Aleppo/Urfa pepper to the aromatics for warm, layered heat instead of a single sharp hit.
Refrigerate assembled causa up to 1 day.
Causa Limeña is drawing on Peru's layered Andean-Spanish-Japanese fusion that defines modern Lima cooking. Regional variations are the rule rather than the exception — neighboring villages, families and even individual cooks adapt the dish to what's in the pantry and what's in season, which is why no two versions taste exactly alike and why the recipe has stayed alive for so long.
Yes — most of the components can be prepared up to a day in advance and refrigerated separately. Reheat gently and assemble just before serving so textures stay distinct.
Stay close to the role each ingredient plays: swap aromatics for similar ones (shallot for onion, lime for lemon), and keep the fat-acid-salt balance intact. Spice blends can usually be approximated with what's in the cupboard.
Authenticity sits on a spectrum — what matters more is honoring the technique and balance of flavors. If the dish tastes harmonious and respects how cooks in its home region would build it, you're on solid ground.
The two most common issues are under-seasoning and rushing the heat. Taste as you go, season in layers, and give aromatics and proteins the time they need to develop color and depth before moving on.
Per serving (350g / 12.3 oz) · 4 servings total
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