Greek Soups
Trahanas Soup Recipe (Mountain Fermented Wheat Soup)
Σούπα τραχανά SOO-pah trah-hah-NAH · Soupa trahana
Photo: Two kinds of tarhana.JPG by Badseed, CC BY-SA 3.0. Placeholder until original photography is shot.
In short
Trahanas soup is a warming Greek winter dish made by simmering trahanas, a dried pasta of cracked wheat fermented with milk or yogurt, in water or stock until it swells and thickens into a rustic, tangy porridge-like soup. It is a mountain staple across Epirus and much of rural Greece.
Trahanas is a dried pantry staple made once a year in late summer, when cracked wheat is mixed with fresh milk or yogurt and left to ferment slightly before being dried in the sun and broken into small, rough granules that keep for months. Turning it back into soup, simply simmered in water or stock, was one of the most reliable ways a mountain household got through winter.
It comes in both a sour version, made with yogurt or soured milk and carrying a real tang, and a sweet version made with fresh milk, and Epirus and the wider northern Greek mountains lean particularly heavily on the sour type for their everyday winter soup.
The soup itself asks for almost nothing beyond trahanas, water or stock, and time on the stove, and it is exactly the kind of dish that turns from a handful of dried granules into a substantial, thick, genuinely warming bowl within twenty minutes.
Key preparation steps
- Bring water or stock to a simmer.
- Stir in the trahanas gradually to avoid clumping.
- Simmer, stirring occasionally, until thick and tender.
- Finish with butter or cheese and serve hot.
Sour versus sweet trahanas
Sour trahanas, fermented with yogurt or soured milk, gives the soup a genuine tang that plenty of households consider essential to the dish, and it is the more traditional choice across Epirus specifically. Sweet trahanas, made with fresh milk, gives a milder, creamier result closer to a plain wheat porridge.
Either is used the same way in this recipe, and the choice is really a matter of what you can find or which flavour you prefer, since both are entirely genuine and widely available dried in Greek grocers.
Avoiding lumps
Trahanas has a tendency to clump if added all at once to hot liquid, since the outer granules swell and stick together before the rest has had a chance to hydrate. Add it gradually, whisking or stirring constantly as it goes in, and it will disperse evenly rather than forming stubborn lumps.
A stock made from chicken or vegetables gives a richer result than plain water, though plain water with a good pinch of salt is entirely traditional and lets the trahanas itself carry the whole flavour.
Getting the consistency right
Simmer for fifteen to twenty minutes, stirring occasionally, until the trahanas has swollen fully and the whole pot has thickened into something between a soup and a porridge, not a thin broth with grains floating in it. Add more hot water or stock along the way if it is thickening faster than the trahanas is cooking through.
Finish with a knob of butter and a grating of hard cheese stirred through at the end, which rounds out the tang and adds richness, and serve hot, since it thickens further and can turn stodgy once it cools.
Tips from my kitchen
Add the trahanas gradually
Tipping it all in at once causes clumping. A slow, steady addition while stirring keeps it smooth.
Serve it hot
The soup thickens considerably as it cools and can turn stodgy. It is at its best eaten fresh off the stove.
Adjust liquid as it cooks
It can thicken faster than the trahanas actually softens. Keep extra hot water or stock on hand to loosen it.
Trahanas Soup Recipe (Mountain Fermented Wheat Soup)
Σούπα τραχανά · by Kalliopi Andreou · updated 2026-07-31
- Prep
- 10m
- Cook
- 20m
- Total
- 30m
- Serves
- 4
Ingredients
Ingredients
Method
- Bring the water or stock to a simmer in a saucepan.
- Add the trahanas gradually, whisking or stirring constantly to prevent clumping.
- Reduce to a gentle simmer and cook, stirring occasionally, for 15 to 20 minutes, until the trahanas has swollen and the soup has thickened, adding a splash more hot water or stock if it thickens too quickly before the trahanas is tender.
- Season with salt and pepper, keeping in mind sour trahanas already carries some tang.
- Stir in the butter until melted, then serve hot, topped with grated kefalotyri.
Nutrition, per 1 portion
- Calories
- 218
- Protein
- 9 g
- Carbs
- 28 g
- Fat
- 8 g
- Sat fat
- 4 g
- Fibre
- 2 g
These figures are calculated estimates based on the ingredients listed, not laboratory analysis. Actual values vary with brands, cuts and portion size.
Frequently asked questions about Soupa trahana
What is trahanas made from?
Cracked wheat mixed with fresh or fermented milk, left to sour slightly, then dried in the sun and broken into small granules, traditionally made once a year in late summer and stored dry for months.
What is the difference between sour and sweet trahanas?
Sour trahanas is made with yogurt or soured milk and has a real tang; sweet trahanas is made with fresh milk and gives a milder result. Epirus and the northern Greek mountains favour the sour type.
Can you buy trahanas ready-made?
Yes, dried trahanas, both sour and sweet, is widely sold in Greek grocers and delicatessens, and using it is standard practice rather than any kind of shortcut.
