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Kishk sa'idi is a dried sour food of Upper Egypt made from boiled wheat and soured milk. Wheat is boiled soft, dried, ground and sieved; milk soured in earthenware is mixed in to make a paste (hamma) that ferments for about a day, is thinned with more soured milk, ferments again and is rolled into small balls and sun-dried.
A short entry: the sources we found record only what is said here about Kishk Sa'idi itself.
DocumentedCereals and bread7 days
Recipe
No fixed amounts recordedNo source gives household amounts; one describes the wheat and soured milk as almost equal parts.
Wheat grains
Boiled until soft, dried on mats, ground and sieved to remove the seed coats[fao138]
Soured milk
Soured by churning in skin bags and concentrated in earthenware pots[fao138]
1% of the mixture in a 2022 laboratory recipe for Egyptian kishk (burghul and laban rayeb); the lab oven-dried the balls at 50 °C for 48 h instead of sun-drying[ismail2022]
What changes:Milk is churned and soured in earthenware until thick and sharp
Step 1 of 5
Sour the milk
Time
Not documented
Temperature
Not documented
Salt
None given
Acidity
Not documented
Which microbes the steps name, step by step
Lactic acid bacteria
Yeasts
Lactobacillus plantarum
L. brevis
L. casei
Output: soured, concentrated milk (laban zeer).
Flavour
Not documented
Texture
Not documented
Colour
Not documented
Microbes at work in this step
Lactic bacteria and yeasts sour and thicken the milk.
Method
Measured measured in a studySet fixed by a specification or tested recipeReported one source reports itTypical a general value, not sourced for this fermentUnconfirmed not yet checked against a source
At a glance
Kishk sa'idi is a dried sour food of Upper Egypt made from boiled wheat and soured milk. Wheat is boiled soft, dried, ground and sieved; milk soured in earthenware is mixed in to make a paste (hamma) that ferments for about a day, is thinned with more soured milk, ferments again and is rolled into small balls and sun-dried. Made in 5 steps over 7 days. The longest step, form small balls and sun-dry on rooftops, takes up to 5 days (Nawaya (curator Laura Tabet)). Lactobacillus plantarum, L. brevis, L. casei, Bacillus subtilis and yeasts does most of the fermenting.
Kishk sa'idi uses boiled whole wheat and milk soured in earthenware and is kept as hard balls. Lebanese kishk mixes bulgur into yogurt, kneads it for days and grinds the dried balls to powder.
In a 2022 laboratory study of wheat and quinoa kishk made with heated laban rayeb, the authors saw no spoilage or pathogenic microbes over 3 months at room temperature and credit the acidity and low water activity. Their counts covered total bacteria, lactic bacteria, coliforms, yeasts and moulds, with no test for a named pathogen. That recipe was not kishk sa'idi, and it heated the milk first.