Before You Start
A samosa is judged by its shell as much as by what is inside. The pastry should break cleanly when bitten, not bend or turn chewy, and getting there rests less on one clever trick than on a stiff, sparingly hydrated dough, a long gentle fry, and a fold tight enough that no filling escapes to burn in the oil. The filling is relatively simple, potato and peas with whole and ground spices, but it has to be well seasoned in itself because the pastry around it adds almost no flavour. This recipe makes the cone fold seen at many North Indian samosa stalls, packs it generously, seals it, and fries it in batches over patient, moderate heat instead of a fast, hot one.
Where It Comes From
Nothing about the pastry is native to India. Triangles and pockets with a filling, whether fried or baked, are an old fixture of Central Asian and Middle Eastern cooking, and most historians look to those regions for the samosa's ancestor, which entered the subcontinent along trade routes and into court kitchens during the medieval centuries, long ahead of the Mughals. Persian and Arabic texts mention a meat-stuffed pastry called "sanbusak" or something like it. In India the form was altered over and over: stuffings followed regional and religious diets, and the spiced potato and pea mixture took hold in the north only after the Portuguese introduced the potato in the sixteenth and seventeenth centuries. The meatless potato samosa people imagine today is therefore a late variant of an old shape. Because it varies so widely, from the flatter Bengali shingara folded another way to southern versions with their own spice, the samosa belongs to no single region of India; it is better thought of as an import that the country then diversified internally.
How to Make It
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Prep
Make a stiff, lightly hydrated dough
Rub the fat into the flour, ajwain and salt with your fingertips until a pinch holds its shape when pressed in your fist. This step builds the flaky layers of fried pastry. Add cold water slowly and knead to a stiff, smooth dough, firmer than roti dough, one that does not stretch when pulled. Wrap it in a damp cloth and let it sit for thirty minutes.
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Cook
Cook the filling
Warm the oil and let cumin and fennel seeds crackle until they smell fragrant, then add ginger and green chillies for a moment and put in the peas for two to three minutes. Sprinkle over coriander powder, garam masala, amchur, chilli powder and salt, and fold in the mashed potato, taking care to leave some lumps for texture. After a further two to three minutes of cooking, once the spices have coated the potato, stir through the fresh coriander. Let the filling go fully cold before you use it; a warm mixture softens the dough as you shape it.
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Prep
Roll out and halve the dough
Split the rested dough into six equal balls. Roll one at a time into an oval of about 15cm in length and two to three millimetres thick, then slice it across the centre, so each ball yields two half-rounds and the batch comes to twelve.
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Prep
Form the cone and fill it
Pick up a semicircle and paint the straight edge with a little flour paste, then roll it into a cone and press the seam hard to seal it; a weak seam is the commonest reason samosas split in the oil. Fill the cone with the cooled potato mixture, packing it firmly but leaving the top free of filling.
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Prep
Close the top
Pleat the open rim and press it shut with a little more flour paste, flattening the base slightly so the samosa stands upright. A properly sealed one keeps its shape when squeezed gently.
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Cook
Fry slowly over moderate heat
The oil should sit at roughly 150 to 160°C (300 to 325°F), well below what most fried foods need, and this is intentional. Lower a few samosas in at once and fry them gently, turning from time to time, for fifteen to eighteen minutes, until deep gold and solid to the touch. The long, mild fry cooks the dough right through into a flaky crust and stops the exterior from darkening ahead of the interior. Quicker, hotter frying leaves blistered, pale or doughy samosas.
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Cook
Drain and let them settle
Take the samosas from the oil with a slotted spoon and set them on a wire rack, not on paper towels, which would trap steam against the underside and soften it. Wait a few minutes before serving; once they have set slightly out of the oil, they can be bitten cleanly.
Swaps That Work
Using ghee for the fat rather than oil produces a richer, more old-fashioned pastry, and you may swap in all of it or only a part. Cauliflower, carrot or paneer can join the potato or take its place in part, although the traditional filling keeps to potato and peas. Fennel seeds can be omitted when you have none; they supply a faint aniseed note that is customary but dispensable. Frozen peas are as good as fresh and can go into the pan straight from the bag.
Turning the Heat Up or Down
Chilli heat in the filling comes from green chillies and red chilli powder, and both are simple to change beforehand. For something gentler, leave out the fresh chillies, use little or no chilli powder, and let garam masala and amchur carry the taste. To make it hotter, add more of both along with a pinch of crushed dried chilli. Test a spoonful while the filling is still warm, since cold dulls flavour, and tune the salt and chilli together.
Where Cooks Go Wrong
Dough that is soft or wet turns into pastry that bubbles, blisters or toughens instead of turning flaky, so keep it stiff and add only as much water as needed for it to hold together. Filling that has not cooled will steam from within the shell and soften it before the samosa has touched the oil; give it time to cool completely. Oil that is too hot browns the surface while the interior stays raw, so you get a dark crust over a pale, underdone middle, and the answer is moderate heat and patience. Poorly sealed seams or top pleats are the usual reason a samosa bursts and spills its filling, which also darkens the oil for every batch afterward, so press edges firmly and be generous with the flour paste.
Keeping and Warming Up Leftovers
To keep: Samosas that have been fried last three days in a covered container in the fridge. Those that are shaped but not yet fried freeze on a tray until firm and then keep in a freezer bag for two months. Fry them while still frozen, with the oil a touch cooler and a few more minutes in the pan, because thawing risks sogginess before they even meet the oil. Cooked filling alone stays good for three days in the refrigerator when made before assembly.
To warm up: Put cooked samosas in an oven or air fryer heated to 190°C (375°F) for eight to ten minutes, enough for the crust to crisp again and the filling to turn hot all the way through. This beats the microwave, which makes the shell soft and somewhat chewy. Samosas that were frozen after cooking need a few extra minutes, and you should confirm the middle is hot before serving.
Safe Handling
Cool the boiled potatoes and the finished filling soon after cooking instead of letting them stand, and put them in the fridge within about two hours when not using them immediately. A thermometer helps keep the frying oil between 150 and 160°C. Oil that has overheated and started smoking has begun to break down, so do not use it again. Strain it for reuse only when it stayed in a sensible temperature range and still smells clean; discard it if it is very dark, sharp-smelling, or has already served several sessions, and never mix fresh oil into badly worn oil to prolong it.
Where to Read More
- Lizzie Collingham, "Curry: A Tale of Cooks and Conquerors" (Oxford University Press) — on the Central Asian and Persian ancestry of the samosa and its spread into South Asia.
- K.T. Achaya, "Indian Food: A Historical Companion" (Oxford University Press) — on the samosa's early textual references and its adaptation after the potato's introduction to India.