Genesis 18:6-8

6So Abraham hurried into the tent and said to Sarah, “Quick! Prepare three seahs of fine flour,1 knead it, and bake some bread.”

7Meanwhile, Abraham ran to the herd, selected a tender and choice calf, and gave it to a servant, who hurried to prepare it. 8Then Abraham brought curds and milk and the calf that had been prepared, and he set them before the men and stood by them under the tree as they ate.