Don't keep all the side dishes to yourself. Make sure you pass them around to everybody.
Don't eat all the side dishes yourself. Share them with others.
ーDon't keep all the side dishes to yourself. Make sure you pass them around to everybody.
「おかずを独り占めしないで、みんなに回してね。」
keep all the side dishes to yourself で「おかずを独り占めする」
pass them around to everybody で「みんなに回す」
ーDon't eat all the side dishes yourself. Share them with others.
「一人で全部食べないでね。他の人とも分けて。」
eat all the side dishes yourself 「自分一人でおかずを食べる」
share ... with others「他の人と…を分ける」
ご参考まで！
カナダ 
