1 Samuel 2:15-19

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.

And if any man said unto him, Let them not fail to burn the fat presently, and then take as much as thy soul desireth; then he would answer him, Nay; but thou shalt give it me now: and if not, I will take it by force.

Wherefore the sin of the young men was very great before the LORD: for men abhorred the offering of the LORD.

But Samuel ministered before the LORD, being a child, girded with a linen ephod.

Moreover his mother made him a little coat, and brought it to him from year to year, when she came up with her husband to offer the yearly sacrifice.