‏ Genesis 18:6-8

6And Abraham went quickly into the tent to Sarah and said, “Quick! Three seahs
A  seah was about 7 quarts or 7.3 liters
of fine flour! Knead it, and make cakes.”
7And Abraham ran to the herd and took a calf, tender and good, and gave it to a young man, who prepared it quickly. 8Then he took curds and milk and the calf that he had prepared, and set it before them. And he stood by them under the tree while they ate.

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