Rashi on Genesis 9:3/רש"י על בראשית ט׳:ג׳

1לכם יהיה לאכלה SHALL BE FOOD FOR YOU — For I did not permit Adam Harishon to eat meat, but green herbs alone; but lo you — even as the green herbs that I gave the full use of to Adam Harishon — do I give everything (Sanhedrin 59b).