Barbari: The Persian Flatbread with Nigella and Sesame

Walk past a Tehran bakery in the early morning and you will see barbari coming out in long, ridged, golden planks, so fresh that people carry them home draped over an arm because a bag would crush them. It is one of the four great Iranian breads, and the thickest and most substantial of them: a proper chewy, open-crumbed flatbread with a crisp, seed-scattered top, made for breakfast with feta, walnuts, honey and hot sweet tea.

What makes barbari barbari, beyond the shape, is a curious little glaze called roomal, a cooked paste of flour and water brushed over the loaf before baking. That is the detail everyone skips and the one that matters most, so I have treated it as the star of this recipe rather than a footnote. My one small liberty is a pinch of bicarbonate of soda in the roomal, which lifts the pH and gives the crust a deeper, more burnished gold and a faint pretzel-edge to the flavour. It is a tiny move and it makes the top sing.

An Ottoman name on a Persian loaf

The name is a small history lesson. Barbari refers to the Barbar or Khavari people of eastern Iran and the borderlands towards Afghanistan, and the bread is generally reckoned to have been introduced to Tehran during the Qajar era, in the nineteenth century, by bakers from that region. It caught on in the capital and became one of the everyday staples, sold by weight and eaten fresh, because like most lean flatbreads it is at its glorious best within an hour or two of the oven and merely good after that.

Iran’s bread culture is one of the richest anywhere, organised around four main types: thin, blistered lavash; the pebble-baked sangak with its dimpled surface; the crisp latticed taftoon; and thick, ridged barbari. Each has its own texture, oven and moment. Barbari is the breakfast and sandwich bread, robust enough to hold a filling and thick enough to satisfy, which is why it earns the seeds and the glaze that the thinner breads do without.

If you have made a thin, blistered lavash blackened in a hot oven, barbari is its heftier sibling from the same table, and the two together tell you most of what you need to know about how Iranians eat bread.

The dough

Barbari dough is a fairly high-hydration white dough, around 66 per cent, enough to give a soft, open, chewy crumb without straying into ciabatta territory. I cut in a little wholemeal for a rounder flavour, though a pure white dough is traditional and completely correct. Strong bread flour gives the chew that stands up to the thickness.

Start with a short rest after the initial mix, a mini-autolyse of 20 minutes, before adding salt and oil. This lets the flour hydrate so the dough kneads up smooth and extensible with less effort, which matters because you will be stretching it thin-ish and long later. Knead eight minutes to a soft, supple, elastic dough. It should feel alive and slightly tacky, easy to stretch without tearing.

A 90-minute bulk ferment with one fold gets you a doubled, airy dough. Warmth speeds it; go by the doubling and the jiggle, not the timer.

Roomal: the glaze that makes it

Here is the technique that separates a real barbari from a seeded white flatbread. Roomal is a slurry of flour and water, cooked briefly until it thickens into a thin, translucent, glossy paste, a bit like a loose wallpaper paste. Brushed generously over the shaped loaf just before baking, it does three things: it gelatinises on the surface into a shiny, deep-golden skin; it glues the seeds down so they do not roll off; and it keeps the top supple long enough for the ridges to open dramatically in the heat.

My addition of half a teaspoon of bicarb to the roomal deepens that gold considerably and adds the faintest savoury edge, the same chemistry that gives a bagel or a pretzel its colour. Cook the roomal until it just thickens and turns glossy, then cool it; a hot glaze will start cooking the dough surface and a lumpy one will streak, so whisk it smooth. This is the single most-skipped step and the reason home barbari so often comes out looking pale and matte instead of lacquered and golden.

Shaping, dimpling and the famous grooves

Barbari is patted and stretched rather than rolled, on an oiled tray, into a long oval about a centimetre and a half thick. Use wet or oiled fingers and dimple the whole surface firmly, pressing right down; this degasses the big bubbles so the loaf bakes evenly rather than ballooning. Prove it 30 to 40 minutes until puffy.

Then, just before baking, comes the signature: brush the whole surface generously with roomal, and with wet fingers press deep parallel grooves running the length of the loaf, usually four or five channels, right down almost to the tray. These ridges are structural and beautiful. They create thick and thin zones so the loaf bakes with crisp raised ribs and soft valleys, and they help it cook through at that thickness. Scatter nigella and sesame across the whole top; the nigella brings its distinctive faint oniony, peppery note that is inseparable from good barbari.

A fierce oven

Barbari wants real heat, 240C fan, with a preheated baking stone or heavy tray so the base sets and crisps immediately. The high heat drives the oven spring, opens the grooves and crisps the roomal-glazed top in 15 to 18 minutes, to a deep, even gold. If you have a stone, use it; the direct contact gives a better base than a cold tray.

The bread is done when the ridges are crisp and deeply coloured and the base sounds hollow. Do not overbake it into a cracker; barbari should keep a soft, chewy interior under that crisp top. Cool it only briefly on a rack, because barbari is a bread you genuinely want to eat warm, within the hour if you can.

What goes wrong, and how to eat it

A pale, matte loaf almost always means the roomal was too thin, applied too sparingly, or skipped; brush it on generously. A dense, tight crumb means under-proofing or too little water. Grooves that close up and vanish in the oven mean you did not press them deep enough or the dough was over-proofed and slack, so cut them boldly, right down towards the tray.

Barbari is a breakfast bread first: torn and spread with feta, walnuts and a drizzle of honey, alongside sweet tea, which is the classic Iranian sobhaneh. It also makes a superb sandwich bread and a fine scoop for dips; a warm strip dragged through a bowl of thick yoghurt or a herby stew earns its keep. If you love a seeded, ringed crust, the same seed-and-shine instinct runs through Istanbul’s sesame-crusted simit, which sits on the same breakfast spectrum a few countries west. Barbari is best the day it is baked; revive next-day pieces with a quick flash in a hot oven, and freeze what you cannot finish.