Leviticus 7:29-31 NIV

29 "Say to the Israelites: 'Anyone who brings a fellowship offering to the LORD is to bring part of it as his sacrifice to the LORD.
30 With his own hands he is to bring the offering made to the LORD by fire; he is to bring the fat, together with the breast, and wave the breast before the LORD as a wave offering.1

References for Leviticus 7:30

31 The priest shall burn the fat on the altar,2 but the breast belongs to Aaron and his sons.3

References for Leviticus 7:31