First of all, never do your exercises on an empty stomach! You need to consume some light and easy-to-digest food at least 30 minutes prior to your workout — for example: greek yoghurt, bananas, a fruit smoothie, oatmeal, peanut butter, eggs on toast. No meat!
Then there is a variety of post-workout meal and snack options with high protein and a small amount of carbs that you need to consider and consume within 60 minutes after completing your workout. This great video by Joanna explains everything!