Albert Barnes Commentary Judges 6:18

"Depart not hence, I pray thee, until I come unto thee, and bring forth my present, and lay it before thee. And he said, I will tarry until thou come again." — Judges 6:18 (ASV)

My present - My Minchah: the word used regularly, though not exclusively, for the grain and drink offering (see note on Leviticus 2:1). Its double sense of an offering to God, and of a gift to man, suits the doubt in Gideon’s mind about who his visitor might be.