Personally I just eat the same food, healthy or unhealthy. My view is that as long as you exercise and keep in shape, "bad" food doesn't really matter to me. Why sacrifice the pleasure of food for one or two kilos off ?
But if I could come with a recommendation. Maybe fish two times a week, some pasta, potatoes, all that "healthy mom" shit
But make sure you eat enough, no reason to starving yourself too much either, your muscles will only suffer from too little nourishment. Which is why it is also important to eat maybe a banana with some yogurt or milk or something like that after you do your exercise so your muscles can regain. Make sure you also don't push yourself. If you've had a long break maybe going into your old schedule right away is not so smart? I don't know how your body is now but you should at least have easy / a rest day between exercises so your muscles don't get permanent / long lasting stretches / injuries, just like I did with both my shoulders when I got to eager