Genesis 18:6-8

6 And Abraham hastened into the tent to Sarah, and said, "Make ready quickly three measures of choice flour, knead it, and make cakes."
7 Abraham ran to the herd, and took a calf, tender and good, and gave it to the servant, who hastened to prepare it.
8 Then 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.