וְיֵרָא֤וּ לְפָנֶ֙יךָ֙ מַרְאֵ֔ינוּ וּמַרְאֵה֙ הַיְלָדִ֔ים הָאֹ֣כְלִ֔ים אֵ֖ת פַּתְבַּ֣ג הַמֶּ֑לֶךְ וְכַאֲשֶׁ֣ר תִּרְאֵ֔ה עֲשֵׂ֖ה עִם־עֲבָדֶֽיךָ׃
Then let our countenances be looked upon before thee, and the countenance of the youths that eat of the king’s food; and as thou seest, deal with thy servants.’
Read halakhic rulings (Jewish law) on Daniel 1:13: and classical halakhic sources.