וַיָּשִׂ֥ימוּ אֶת־הַחֲלָבִ֖ים עַל־הֶחָז֑וֹת וַיַּקְטֵ֥ר הַחֲלָבִ֖ים הַמִּזְבֵּֽחָה׃
And they put the fat upon the breasts, and he made the fat smoke upon the altar.
Read halakhic rulings (Jewish law) on Leviticus 9:20: and classical halakhic sources.