Abraham…said, “Hurry! Knead three seahs of choice semolina flour and make loaves….he fetched curds and milk and the calf that had been prepared and he set these before them – What happened to the loaves? Rashi explains that they suddenly became unusable and so they were not served. R. DZ Hoffman points out that “three seahs” was a huge amount – tens of kilograms; ShaDaL’s explanation that these loaves were for their journey is a more straightforward explanation. Thus, as the travelers arrived, Abraham was already thinking of how to send them off with enough provisions.