Trofie al Pesto
Ligurian twists with potato and green beans cooked in the same water, all dressed in pesto. The potato is not a garnish — it thickens the sauce.
Photograph credit: Trofie with pesto by pelican · CC BY-SA 2.0 · Flickr · this resized copy is shared under the same licence
Trofie al Pesto: Step by Step
Tap a step to highlight it, or turn on Cook Mode for large type and step-by-step focus.
-
Pound the garlic, pine nuts and salt to a paste in a mortar, then add the basil a handful at a time and grind against the sides until it is a green paste.
-
Work in both cheeses, then trickle in the oil, stirring rather than pounding. Keep it cool.
-
Bring a large pan of well-salted water to the boil and add the diced potato. Cook 5 minutes.
-
Add the trofie and cook 8 minutes.
-
Add the green beans for the last 4 minutes, so everything finishes together.
-
Reserve two cups of the cooking water, then drain.
-
Take the pan off the heat, wait 30 seconds, then return everything to it with the pesto and enough of the hot water to make it flow. Toss hard and serve immediately.
Related guide: Ingredient substitutions.
Something wrong or unclear in this recipe? Report a problem with this recipe.
What Can Go Wrong
- One pot. The potato starch is what makes the pesto cling.
- Pesto off the heat, always. Basil goes khaki in seconds.
- Keep back plenty of the cooking water.
Ingredient Swaps
- An eighth of a teaspoon of garlic powder per clove is the stand-in usually given when you are out of fresh garlic; it will not brown the same way, and it burns easily, so add it with the liquid.
About This Recipe
Everything cooks in one pot and the starch from the potato is what lets the pesto cling — a pesto tossed through plain pasta slides off, where the same pesto loosened with potato-starchy water becomes a coating. The pesto itself is never heated. Take the pan off the heat, let it stop steaming for thirty seconds, then stir the pesto in; heat turns basil khaki and makes the cheese stringy.
What to Serve It With
A glass of Vermentino · Focaccia · Green salad
Sides from the same cuisine on this site: Ciabatta, Citrus Fennel Salad, Fave e Cicoria.
Storing Leftovers
The pesto keeps 4 days in the fridge under oil and freezes for 3 months. The dish itself does not keep.
Trofie al Pesto Nutrition
No nutrition figures are given for this recipe: they cannot be worked out reliably from its ingredient list (some ingredient lines cannot be read). Why some recipes have none.
Vegetarian when made with cheeses made without animal rennet in place of the parmigiano reggiano and pecorino.
Your notes on this recipe
Cooked this? Keep a note for next time
Compiled by Turab
Checked by script for timings, diet labels and nutrition arithmetic. How the recipes are checked. Found a mistake? Tell us.
First published ; last changed .