Have you ever churned butter?
How long did it take?
In New Dreams, a sweet historical romance, one of the farm wives pays a portion of a delivery fee in butter. She may have used a barrel churn similar to this one.
Turn, turn turn. Churn, churn, churn. Sing a song to add a bit of pleasure to the task.
Read a tale of immigrants in 1851 Illinois in New Dreams. Available at major on-line retailers such as:
Kindle: https://amzn.to/3vWydWE