🧀 Ayib

Ayib is an Ethiopian fresh, crumbly cheese made not from whole milk but from the sour buttermilk left over after churning butter. The milk first sours on its own in a clay pot in a warm place for 24–48 hours, butter is churned from it, and the buttermilk is heated slowly until the curd separates. The whey is strained through cloth or through fibres of enset, the “false banana”.

FAO gives a yield of 1 kg of ayib from 8 litres of buttermilk; field studies give about 6 litres. It is heated to 40–60 °C; on smallholder farms an average of 57 °C was measured. Ayib contains about 80% water, 15% protein and only about 2% fat. In Ethiopia almost half of all milk is processed at home, and roughly a quarter of that goes into ayib, the rest into butter.

Ayib is eaten fresh: with the spicy chicken stew doro wat and injera flatbread, mixed with stewed gomen greens, butter and pepper, and served with kitfo, minced raw meat. The fresh cheese softens the heat of Ethiopian spices. It is also seasoned with salt, herbs and spices.

Ayib or cottage cheese, or feta? Searches set ayib beside both, and the difference starts with the milk: ayib comes not from whole milk but from the sour buttermilk left after churning butter, heated slowly to 40–60 °C until the curd separates, with no rennet and no brine. That is why it has about 80% water and only about 2% fat, while feta, a brined cheese, has about 21% fat (USDA). For cottage cheese there are no figures here, so compare the process. Ayib is eaten fresh, as a cool side to spicy dishes.

Ayib is a fresh homemade cheese, so a legal name and protected-origin mark are not to be expected. In Ethiopia it is sold at local markets; elsewhere look in Ethiopian or East African groceries, where the pack may say “ayib” or “fresh cheese”. Choose a cold, tightly closed pack with a clear date, and a crumbly, moist, white curd. It spoils within 2–3 days at room temperature, so keep it cool and eat it fresh.

Why it matters to you. Ayib is a fresh, very moist cheese: at room temperature it spoils within 2–3 days, and in a cool place it keeps for about a week. It matters that the curd is heated thoroughly: studies have shown that yeasts and moulds die at 70 °C and salmonella at 60–70 °C, while E. coli O157:H7 survives even 50–60 °C.