וַתָּבֹ֣אנָה אֶל־קִרְבֶּ֗נָה וְלֹ֤א נוֹדַע֙ כִּי־בָ֣אוּ אֶל־קִרְבֶּ֔נָה וּמַרְאֵיהֶ֣ן רַ֔ע כַּאֲשֶׁ֖ר בַּתְּחִלָּ֑ה וָאִיקָֽץ׃
And when they had eaten them up, it could not be known that they had eaten them; but they were still ill-favoured as at the beginning. So I awoke.
Read midrashic interpretation of Genesis 41:21: and classical rabbinic exegesis.