Churning (butter)
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Churning is the process of shaking up cream or whole milk to make butter, usually using a device called butter churn. In Europe from the Middle Ages until the Industrial Revolution, a churn was usuall
Canadian farm girl churning butter, 1893.
Butter churner pot
A barrel-type butter churn.
Churn with plunger Ethnographic Museum of Western Liguria, Cervo, Italy
Buttermilk
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Buttermilk is a dairy drink made by adding lactic acid bacteria to milk to produce a fermented dairy drink. Traditionally, it was made from the nearly fat-free milk remaining after churning butter fro
Churning (butter)
…increase in size, there are also fewer to enclose the air cells. So the bubbles pop, run together, and the foam begins to leak. This leakage is called buttermilk. The cream separates into butter and buttermilk. The buttermilk is drained off, and the remaining butter is kneaded to form a network of fat crystals…
Milk (left) compared with fermented buttermilk (right), which is thicker and leaves a visible residue on the glass
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