וַיֹּ֨אמֶר יִשַׁ֜י לְדָוִ֣ד בְּנ֗וֹ קַח־נָ֤א לְאַחֶ֙יךָ֙ אֵיפַ֤ת הַקָּלִיא֙ הַזֶּ֔ה וַעֲשָׂרָ֥ה לֶ֖חֶם הַזֶּ֑ה וְהָרֵ֥ץ הַֽמַּחֲנֶ֖ה לְאַחֶֽיךָ׃
And Jesse said unto David his son: ‘Take now for thy brethren an ephah of this parched corn, and these ten loaves, and carry them quickly to the camp to thy brethren.
Read midrashic interpretation of I Samuel 17:17: and classical rabbinic exegesis.