they: i.e. not the offerer, but the priest for him. Give flesh. This was contrary to Leviticus 3:16; Leviticus 7:23; Leviticus 7:25; Leviticus 7:30; Leviticus 7:31. = boiled.
Related Commentaries of 1 Samuel 2:15
1 Samuel 2:15
15 Also before they burnt the fat, the priest's servant came, and said to the man that sacrificed, Give flesh to roast for the priest; for he will not have sodden flesh of thee, but raw.