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1
Soften the Onion in Vinegar
10 Mins • Soaking
Room temperature, about 20°C (68°F)
Put the sliced onion in a bowl, pour over the red wine vinegar and sprinkle in the salt. Stir, then leave for 10 minutes. The vinegar and salt soften the onion and take the harsh raw edge off it — this is the step that makes the sauce taste like salsa criolla instead of raw onion salad.
If your onion is very strong, rinse the slices in cold water first and pat them dry before the vinegar bath.
Done when: Onion slices look slightly translucent and smell milder.
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2
Dice the Tomato and Peppers
10 Mins • Chopping
Room temperature, about 20°C (68°F)
While the onion soaks, seed and dice the tomatoes and both peppers into small, even pieces about the size of a corn kernel. Chop the parsley and mince the garlic. Even pieces matter: every spoonful should carry onion, tomato and pepper together.
Scoop the tomato seeds out so the sauce stays bright — the seeds and jelly would water it down.
Done when: All the vegetables are diced to roughly the same small size.
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3
Dress and Combine
5 Mins • Mixing
Room temperature, about 20°C (68°F)
Whisk the olive oil into the vinegar left in the onion bowl, then rub the dried oregano between your palms over the bowl so its oils fall in. Stir in the diced tomato, peppers, parsley and garlic, and toss everything together until evenly coated.
Rubbing the oregano between your palms wakes up its aroma — dried herbs straight from the jar taste flat.
Done when: Everything is glossy and evenly mixed, with no dry patches.
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4
Rest So the Flavours Marry
30 Mins • Resting
Room temperature, about 20°C (68°F)
Cover and rest the bowl at room temperature for 30 minutes so the vinegar, oil and vegetables come together. The onion softens a little more, the tomato gives up some juice, and the flavours turn from separate pieces into one sauce.
Do not skip the rest — a salsa criolla eaten straight away tastes like separate raw vegetables.
Done when: The vegetables have given up a little juice and the sauce smells sharp and fresh.
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5
Taste, Adjust and Serve
5 Mins • Tasting
Serve at room temperature, about 20°C (68°F)
Taste and adjust: a little more salt if it is flat, a splash more vinegar if it is dull, a drizzle more oil if it is too sharp. Serve at room temperature in a small bowl with a spoon, so everyone can help themselves at the table.
Taste after the rest, not before — the salt and vinegar keep working while it sits.
Done when: Sharp, fresh and balanced — bright vinegar, softened onion, crunchy pepper.
auto_awesome Finishing Touches & Plating
Spoon the salsa criolla over grilled steak, sausages or empanadas straight from the bowl, letting the vinegar dressing run over the meat. Serve it cool, not cold — take it out of the fridge 15 minutes before the asado.
Argentina
1h 25m
