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Italian · Liguria

Trofie al Pesto di Basilico con Patate e Fagiolini Ligure

The canonical Ligurian pasta preparation — trofie (small, twisted pasta) cooked in the same water as green beans and sliced potato, then dressed with mortar-pounded Genovese pesto. The potato and green beans are not optional sides — they are fundamental to the dish. The potato absorbs pesto and adds creaminess; the green beans add snap and herbal bitterness that complements the basil.

ServesFour portions
Sourced1of 11 in BC
Cook
I

The Market List

The benchmark for each ingredient, and who stocks it near you. Tap a stockist to go straight to the product.

400 g
trofie
fresh if possible; dried otherwise
Not yet stocked in British Columbia
200 g
waxy potato
diced small
Origin · FranceLekker · Vancouver →
150 g
green beans
trimmed
Not yet stocked in British Columbia
For the pesto
50 g
fresh Genovese basil leaves
small young leaves preferred
Not yet stocked in British Columbia
30 g
pine nuts
Not yet stocked in British Columbia
2 cloves
garlic
peeled
Your own market
50 g
Parmigiano Reggiano
finely grated
Your own market
20 g
Pecorino Sardo
finely grated
Not yet stocked in British Columbia
80 ml
extra-virgin olive oil
Ligurian if available
Your own market
1 pinch
coarse sea salt
for the mortar
Your own market
1 tbsp
pasta cooking water
reserved just before draining
Your own market

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II

The Method

1
Pound the garlic with the coarse salt in a large marble mortar until a smooth paste forms. Add the pine nuts and reduce to a rough paste. Introduce the basil leaves in two or three additions, working the pestle in a rotary motion against the mortar wall rather than crushing straight down; each addition should be fully incorporated before the next goes in. The paste is ready when it is uniformly green and faintly oily — no whole leaf fragments remain.
2
Work the grated Parmigiano and Pecorino into the basil paste with the pestle. Add the olive oil in a thin stream, stirring with the pestle until the pesto is cohesive and evenly emulsified. Set aside at room temperature. The pesto must not be heated at any point.
3
Bring a large pot of water to a full rolling boil. Season it generously with salt — the potato and beans absorb water and require a well-salted liquid. Add the diced potato. Cook for 10 minutes, until the cubes are just tender at their centres when pressed with a fingernail but have not begun to break apart.
4
Add the trimmed green beans to the same pot. Cook for 6 minutes alongside the potato. The beans are ready when they bend without snapping and show a deep, saturated green with no raw grassy smell remaining.
5
Add the trofie to the same pot without draining the vegetables. Cook for 3–4 minutes for fresh trofie, or according to the package for dried. Reserve one tablespoon of the cooking water before draining. Drain everything together — pasta, potato, and beans — in a single action. The trofie are done when each piece is al dente: firm resistance at the very centre, no raw flour taste.
6
Stir the reserved tablespoon of hot cooking water into the pesto in the mortar. Transfer the drained pasta, potato, and beans immediately to a warmed bowl. Spoon over all the pesto and fold together at once — the pasta must still be very hot so that the heat of the trofie alone loosens and distributes the pesto. Every groove of every piece of pasta should be coated; no pooling of pesto at the base of the bowl. Serve without delay.
III

Quality Hierarchy

01
Reserve — Hand-rolled fresh trofie; small Genovese DOP basil leaves harvested before flowering; single-estate Ligurian extra-virgin olive oil; aged Parmigiano Reggiano (24 months minimum) and genuine Pecorino Sardo from a named producer.
02
Estate — Fresh trofie from a reliable pasta laboratory; Genovese basil from a grower-named source; a quality Ligurian or Riviera-style extra-virgin olive oil; Parmigiano and Pecorino from a reputable affineur.
03
Market — Dried commercial trofie; supermarket Genovese or sweet basil; any good-quality Italian extra-virgin olive oil; standard Parmigiano Reggiano and Pecorino Romano.
04
House — Dried trofie or similar short twisted pasta (strozzapreti, gemelli); fresh basil of any available provenance; a neutral extra-virgin olive oil; Parmigiano alone in place of the cheese blend.
IV

Sensory Tests

◇Sight. The mortar pesto holds a vivid, unbroken green — no dark oxidised patches — and is cohesive, neither watery nor stiff.
◇Touch. The diced potato yields to fingernail pressure without crumbling or fragmenting.
◇Smell. The green beans have lost their raw, grassy note and smell of cooked vegetable while remaining visibly deep green.
◇Sight. Every groove of every trofie piece is coated in pesto; no excess pools at the bottom of the serving bowl.
◇Where it lives or dies. The pesto must be made in a mortar — blender oxidises the basil within thirty minutes, the colour turns dark, and the volatile compounds that give the sauce its fresh character are destroyed.
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The dishes this one teaches you, across the cuisines — on every recipe.
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VI

What to Pour

A crisp, unoaked Ligurian white — Vermentino or Pigato — whose saline minerality and light herbal bitterness echo the green beans and basil without competing with the pine nut richness of the pesto.

The whole pairing
Pillar VII
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Where the dish comes from and how it came to be — on every recipe.
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Sourced through Provenance

The hands behind the plate.